Home / 1,140,989.52-1,574,565.52-631,724.68

Finding the Fourth Proportional to 1,140,989.52, 1,574,565.52 and 631,724.68

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Solution

The fourth proportional to 1,140,989.52, 1,574,565.52 and 631,724.68 is: 871,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,989.52 : 1,574,565.52 = 631,724.68 : x
  2. Step 2: Convert to fraction form
    1,140,989.52/1,574,565.52 = 631,724.68/x
  3. Step 3: Cross multiply
    1,140,989.52x = 1,574,565.52 × 631,724.68
  4. Step 4: Simplify right side
    1,140,989.52x = 994,691,899,261.03
  5. Step 5: Solve for x
    x = 994,691,899,261.03/1,140,989.52
  6. Step 6: Final answer
    x = 871,780.05

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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.