Home / 1,378,859.52-2,068,289.88-432,304.04

Finding the Fourth Proportional to 1,378,859.52, 2,068,289.88 and 432,304.04

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Solution

The fourth proportional to 1,378,859.52, 2,068,289.88 and 432,304.04 is: 648,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,859.52 : 2,068,289.88 = 432,304.04 : x
  2. Step 2: Convert to fraction form
    1,378,859.52/2,068,289.88 = 432,304.04/x
  3. Step 3: Cross multiply
    1,378,859.52x = 2,068,289.88 × 432,304.04
  4. Step 4: Simplify right side
    1,378,859.52x = 894,130,071,015.12
  5. Step 5: Solve for x
    x = 894,130,071,015.12/1,378,859.52
  6. Step 6: Final answer
    x = 648,456.25

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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.