Home / 1,419,191.27-2,129,125.89-472,570.19

Finding the Fourth Proportional to 1,419,191.27, 2,129,125.89 and 472,570.19

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Solution

The fourth proportional to 1,419,191.27, 2,129,125.89 and 472,570.19 is: 708,968.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,191.27 : 2,129,125.89 = 472,570.19 : x
  2. Step 2: Convert to fraction form
    1,419,191.27/2,129,125.89 = 472,570.19/x
  3. Step 3: Cross multiply
    1,419,191.27x = 2,129,125.89 × 472,570.19
  4. Step 4: Simplify right side
    1,419,191.27x = 1,006,161,422,823.74
  5. Step 5: Solve for x
    x = 1,006,161,422,823.74/1,419,191.27
  6. Step 6: Final answer
    x = 708,968.16

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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.