Home / 1,309,432.23-1,964,231.35-410,909.42

Finding the Fourth Proportional to 1,309,432.23, 1,964,231.35 and 410,909.42

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Solution

The fourth proportional to 1,309,432.23, 1,964,231.35 and 410,909.42 is: 616,390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,432.23 : 1,964,231.35 = 410,909.42 : x
  2. Step 2: Convert to fraction form
    1,309,432.23/1,964,231.35 = 410,909.42/x
  3. Step 3: Cross multiply
    1,309,432.23x = 1,964,231.35 × 410,909.42
  4. Step 4: Simplify right side
    1,309,432.23x = 807,121,168,657.62
  5. Step 5: Solve for x
    x = 807,121,168,657.62/1,309,432.23
  6. Step 6: Final answer
    x = 616,390.18

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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.