Home / 1,295,406.52-1,787,683.98-722,385.16

Finding the Fourth Proportional to 1,295,406.52, 1,787,683.98 and 722,385.16

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Solution

The fourth proportional to 1,295,406.52, 1,787,683.98 and 722,385.16 is: 996,904.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,406.52 : 1,787,683.98 = 722,385.16 : x
  2. Step 2: Convert to fraction form
    1,295,406.52/1,787,683.98 = 722,385.16/x
  3. Step 3: Cross multiply
    1,295,406.52x = 1,787,683.98 × 722,385.16
  4. Step 4: Simplify right side
    1,295,406.52x = 1,291,396,377,921.74
  5. Step 5: Solve for x
    x = 1,291,396,377,921.74/1,295,406.52
  6. Step 6: Final answer
    x = 996,904.34

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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.