Home / 832,000.20-1,248,000.30-671,641.80

Finding the Fourth Proportional to 832,000.20, 1,248,000.30 and 671,641.80

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Solution

The fourth proportional to 832,000.20, 1,248,000.30 and 671,641.80 is: 1,007,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,000.20 : 1,248,000.30 = 671,641.80 : x
  2. Step 2: Convert to fraction form
    832,000.20/1,248,000.30 = 671,641.80/x
  3. Step 3: Cross multiply
    832,000.20x = 1,248,000.30 × 671,641.80
  4. Step 4: Simplify right side
    832,000.20x = 838,209,167,892.54
  5. Step 5: Solve for x
    x = 838,209,167,892.54/832,000.20
  6. Step 6: Final answer
    x = 1,007,462.70

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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.