Home / 1,398,529.60-2,098,831.20-925,057.60

Finding the Fourth Proportional to 1,398,529.60, 2,098,831.20 and 925,057.60

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Solution

The fourth proportional to 1,398,529.60, 2,098,831.20 and 925,057.60 is: 1,388,272.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,529.60 : 2,098,831.20 = 925,057.60 : x
  2. Step 2: Convert to fraction form
    1,398,529.60/2,098,831.20 = 925,057.60/x
  3. Step 3: Cross multiply
    1,398,529.60x = 2,098,831.20 × 925,057.60
  4. Step 4: Simplify right side
    1,398,529.60x = 1,941,539,752,677.12
  5. Step 5: Solve for x
    x = 1,941,539,752,677.12/1,398,529.60
  6. Step 6: Final answer
    x = 1,388,272.19

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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.