Home / 1,140,057.68-1,710,084.92-457,252.56

Finding the Fourth Proportional to 1,140,057.68, 1,710,084.92 and 457,252.56

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Solution

The fourth proportional to 1,140,057.68, 1,710,084.92 and 457,252.56 is: 685,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,057.68 : 1,710,084.92 = 457,252.56 : x
  2. Step 2: Convert to fraction form
    1,140,057.68/1,710,084.92 = 457,252.56/x
  3. Step 3: Cross multiply
    1,140,057.68x = 1,710,084.92 × 457,252.56
  4. Step 4: Simplify right side
    1,140,057.68x = 781,940,707,487.40
  5. Step 5: Solve for x
    x = 781,940,707,487.40/1,140,057.68
  6. Step 6: Final answer
    x = 685,878.20

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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.