Home / 1,332,829.15-1,838,720.01-781,265.23

Finding the Fourth Proportional to 1,332,829.15, 1,838,720.01 and 781,265.23

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Solution

The fourth proportional to 1,332,829.15, 1,838,720.01 and 781,265.23 is: 1,077,803.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,829.15 : 1,838,720.01 = 781,265.23 : x
  2. Step 2: Convert to fraction form
    1,332,829.15/1,838,720.01 = 781,265.23/x
  3. Step 3: Cross multiply
    1,332,829.15x = 1,838,720.01 × 781,265.23
  4. Step 4: Simplify right side
    1,332,829.15x = 1,436,528,011,518.25
  5. Step 5: Solve for x
    x = 1,436,528,011,518.25/1,332,829.15
  6. Step 6: Final answer
    x = 1,077,803.57

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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.