Home / 1,040,111.70-1,560,167.55-977,126.10

Finding the Fourth Proportional to 1,040,111.70, 1,560,167.55 and 977,126.10

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Solution

The fourth proportional to 1,040,111.70, 1,560,167.55 and 977,126.10 is: 1,465,689.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,111.70 : 1,560,167.55 = 977,126.10 : x
  2. Step 2: Convert to fraction form
    1,040,111.70/1,560,167.55 = 977,126.10/x
  3. Step 3: Cross multiply
    1,040,111.70x = 1,560,167.55 × 977,126.10
  4. Step 4: Simplify right side
    1,040,111.70x = 1,524,480,433,478.06
  5. Step 5: Solve for x
    x = 1,524,480,433,478.06/1,040,111.70
  6. Step 6: Final answer
    x = 1,465,689.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.