Home / 1,275,565.11-1,913,350.09-1,197,620.43

Finding the Fourth Proportional to 1,275,565.11, 1,913,350.09 and 1,197,620.43

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Solution

The fourth proportional to 1,275,565.11, 1,913,350.09 and 1,197,620.43 is: 1,796,432.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,565.11 : 1,913,350.09 = 1,197,620.43 : x
  2. Step 2: Convert to fraction form
    1,275,565.11/1,913,350.09 = 1,197,620.43/x
  3. Step 3: Cross multiply
    1,275,565.11x = 1,913,350.09 × 1,197,620.43
  4. Step 4: Simplify right side
    1,275,565.11x = 2,291,467,157,526.34
  5. Step 5: Solve for x
    x = 2,291,467,157,526.34/1,275,565.11
  6. Step 6: Final answer
    x = 1,796,432.92

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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.