Home / 1,262,446.20-1,893,669.30-363,807.90

Finding the Fourth Proportional to 1,262,446.20, 1,893,669.30 and 363,807.90

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Solution

The fourth proportional to 1,262,446.20, 1,893,669.30 and 363,807.90 is: 545,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,446.20 : 1,893,669.30 = 363,807.90 : x
  2. Step 2: Convert to fraction form
    1,262,446.20/1,893,669.30 = 363,807.90/x
  3. Step 3: Cross multiply
    1,262,446.20x = 1,893,669.30 × 363,807.90
  4. Step 4: Simplify right side
    1,262,446.20x = 688,931,851,327.47
  5. Step 5: Solve for x
    x = 688,931,851,327.47/1,262,446.20
  6. Step 6: Final answer
    x = 545,711.85

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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.