Home / 1,145,439.60-1,580,831.98-655,454.40

Finding the Fourth Proportional to 1,145,439.60, 1,580,831.98 and 655,454.40

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Solution

The fourth proportional to 1,145,439.60, 1,580,831.98 and 655,454.40 is: 904,598.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,439.60 : 1,580,831.98 = 655,454.40 : x
  2. Step 2: Convert to fraction form
    1,145,439.60/1,580,831.98 = 655,454.40/x
  3. Step 3: Cross multiply
    1,145,439.60x = 1,580,831.98 × 655,454.40
  4. Step 4: Simplify right side
    1,145,439.60x = 1,036,163,276,951.71
  5. Step 5: Solve for x
    x = 1,036,163,276,951.71/1,145,439.60
  6. Step 6: Final answer
    x = 904,598.79

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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.