Home / 1,375,579.83-2,063,779.80-656,461.44

Finding the Fourth Proportional to 1,375,579.83, 2,063,779.80 and 656,461.44

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Solution

The fourth proportional to 1,375,579.83, 2,063,779.80 and 656,461.44 is: 984,887.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,579.83 : 2,063,779.80 = 656,461.44 : x
  2. Step 2: Convert to fraction form
    1,375,579.83/2,063,779.80 = 656,461.44/x
  3. Step 3: Cross multiply
    1,375,579.83x = 2,063,779.80 × 656,461.44
  4. Step 4: Simplify right side
    1,375,579.83x = 1,354,791,859,350.91
  5. Step 5: Solve for x
    x = 1,354,791,859,350.91/1,375,579.83
  6. Step 6: Final answer
    x = 984,887.85

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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.