Home / 1,035,766.08-1,553,831.28-428,552.64

Finding the Fourth Proportional to 1,035,766.08, 1,553,831.28 and 428,552.64

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Solution

The fourth proportional to 1,035,766.08, 1,553,831.28 and 428,552.64 is: 642,904.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,766.08 : 1,553,831.28 = 428,552.64 : x
  2. Step 2: Convert to fraction form
    1,035,766.08/1,553,831.28 = 428,552.64/x
  3. Step 3: Cross multiply
    1,035,766.08x = 1,553,831.28 × 428,552.64
  4. Step 4: Simplify right side
    1,035,766.08x = 665,898,497,158.58
  5. Step 5: Solve for x
    x = 665,898,497,158.58/1,035,766.08
  6. Step 6: Final answer
    x = 642,904.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.