Home / 1,040,077.80-1,560,635.10-591,143.40

Finding the Fourth Proportional to 1,040,077.80, 1,560,635.10 and 591,143.40

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Solution

The fourth proportional to 1,040,077.80, 1,560,635.10 and 591,143.40 is: 887,009.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,077.80 : 1,560,635.10 = 591,143.40 : x
  2. Step 2: Convert to fraction form
    1,040,077.80/1,560,635.10 = 591,143.40/x
  3. Step 3: Cross multiply
    1,040,077.80x = 1,560,635.10 × 591,143.40
  4. Step 4: Simplify right side
    1,040,077.80x = 922,559,139,173.34
  5. Step 5: Solve for x
    x = 922,559,139,173.34/1,040,077.80
  6. Step 6: Final answer
    x = 887,009.74

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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.