Home / 984,918.60-1,359,196.74-555,160.68

Finding the Fourth Proportional to 984,918.60, 1,359,196.74 and 555,160.68

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Solution

The fourth proportional to 984,918.60, 1,359,196.74 and 555,160.68 is: 766,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,918.60 : 1,359,196.74 = 555,160.68 : x
  2. Step 2: Convert to fraction form
    984,918.60/1,359,196.74 = 555,160.68/x
  3. Step 3: Cross multiply
    984,918.60x = 1,359,196.74 × 555,160.68
  4. Step 4: Simplify right side
    984,918.60x = 754,572,586,432.18
  5. Step 5: Solve for x
    x = 754,572,586,432.18/984,918.60
  6. Step 6: Final answer
    x = 766,126.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.