Home / 1,553,577.28-2,330,492.40-431,646.40

Finding the Fourth Proportional to 1,553,577.28, 2,330,492.40 and 431,646.40

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Solution

The fourth proportional to 1,553,577.28, 2,330,492.40 and 431,646.40 is: 647,504.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,577.28 : 2,330,492.40 = 431,646.40 : x
  2. Step 2: Convert to fraction form
    1,553,577.28/2,330,492.40 = 431,646.40/x
  3. Step 3: Cross multiply
    1,553,577.28x = 2,330,492.40 × 431,646.40
  4. Step 4: Simplify right side
    1,553,577.28x = 1,005,948,654,687.36
  5. Step 5: Solve for x
    x = 1,005,948,654,687.36/1,553,577.28
  6. Step 6: Final answer
    x = 647,504.74

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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.