Home / 1,493,304.28-2,240,068.74-428,337.88

Finding the Fourth Proportional to 1,493,304.28, 2,240,068.74 and 428,337.88

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Solution

The fourth proportional to 1,493,304.28, 2,240,068.74 and 428,337.88 is: 642,539.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,304.28 : 2,240,068.74 = 428,337.88 : x
  2. Step 2: Convert to fraction form
    1,493,304.28/2,240,068.74 = 428,337.88/x
  3. Step 3: Cross multiply
    1,493,304.28x = 2,240,068.74 × 428,337.88
  4. Step 4: Simplify right side
    1,493,304.28x = 959,506,295,145.87
  5. Step 5: Solve for x
    x = 959,506,295,145.87/1,493,304.28
  6. Step 6: Final answer
    x = 642,539.04

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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.