Home / 1,429,546.32-1,972,951.62-817,614.21

Finding the Fourth Proportional to 1,429,546.32, 1,972,951.62 and 817,614.21

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Solution

The fourth proportional to 1,429,546.32, 1,972,951.62 and 817,614.21 is: 1,128,409.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,546.32 : 1,972,951.62 = 817,614.21 : x
  2. Step 2: Convert to fraction form
    1,429,546.32/1,972,951.62 = 817,614.21/x
  3. Step 3: Cross multiply
    1,429,546.32x = 1,972,951.62 × 817,614.21
  4. Step 4: Simplify right side
    1,429,546.32x = 1,613,113,280,154.52
  5. Step 5: Solve for x
    x = 1,613,113,280,154.52/1,429,546.32
  6. Step 6: Final answer
    x = 1,128,409.24

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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.