Home / 1,040,030.40-1,560,045.60-567,638.40

Finding the Fourth Proportional to 1,040,030.40, 1,560,045.60 and 567,638.40

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Solution

The fourth proportional to 1,040,030.40, 1,560,045.60 and 567,638.40 is: 851,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,030.40 : 1,560,045.60 = 567,638.40 : x
  2. Step 2: Convert to fraction form
    1,040,030.40/1,560,045.60 = 567,638.40/x
  3. Step 3: Cross multiply
    1,040,030.40x = 1,560,045.60 × 567,638.40
  4. Step 4: Simplify right side
    1,040,030.40x = 885,541,788,311.04
  5. Step 5: Solve for x
    x = 885,541,788,311.04/1,040,030.40
  6. Step 6: Final answer
    x = 851,457.60

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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.