Home / 1,316,911.89-1,817,332.11-736,134.90

Finding the Fourth Proportional to 1,316,911.89, 1,817,332.11 and 736,134.90

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Solution

The fourth proportional to 1,316,911.89, 1,817,332.11 and 736,134.90 is: 1,015,862.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,911.89 : 1,817,332.11 = 736,134.90 : x
  2. Step 2: Convert to fraction form
    1,316,911.89/1,817,332.11 = 736,134.90/x
  3. Step 3: Cross multiply
    1,316,911.89x = 1,817,332.11 × 736,134.90
  4. Step 4: Simplify right side
    1,316,911.89x = 1,337,801,591,061.64
  5. Step 5: Solve for x
    x = 1,337,801,591,061.64/1,316,911.89
  6. Step 6: Final answer
    x = 1,015,862.64

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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.