Home / 1,140,138.92-1,572,706.18-752,957.90

Finding the Fourth Proportional to 1,140,138.92, 1,572,706.18 and 752,957.90

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Solution

The fourth proportional to 1,140,138.92, 1,572,706.18 and 752,957.90 is: 1,038,629.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,138.92 : 1,572,706.18 = 752,957.90 : x
  2. Step 2: Convert to fraction form
    1,140,138.92/1,572,706.18 = 752,957.90/x
  3. Step 3: Cross multiply
    1,140,138.92x = 1,572,706.18 × 752,957.90
  4. Step 4: Simplify right side
    1,140,138.92x = 1,184,181,542,609.82
  5. Step 5: Solve for x
    x = 1,184,181,542,609.82/1,140,138.92
  6. Step 6: Final answer
    x = 1,038,629.17

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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.