Home / 1,815,479.10-2,723,218.65-618,752.70

Finding the Fourth Proportional to 1,815,479.10, 2,723,218.65 and 618,752.70

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Solution

The fourth proportional to 1,815,479.10, 2,723,218.65 and 618,752.70 is: 928,129.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,479.10 : 2,723,218.65 = 618,752.70 : x
  2. Step 2: Convert to fraction form
    1,815,479.10/2,723,218.65 = 618,752.70/x
  3. Step 3: Cross multiply
    1,815,479.10x = 2,723,218.65 × 618,752.70
  4. Step 4: Simplify right side
    1,815,479.10x = 1,684,998,892,377.85
  5. Step 5: Solve for x
    x = 1,684,998,892,377.85/1,815,479.10
  6. Step 6: Final answer
    x = 928,129.05

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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.