Home / 1,419,260.30-2,129,230.65-472,639.22

Finding the Fourth Proportional to 1,419,260.30, 2,129,230.65 and 472,639.22

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Solution

The fourth proportional to 1,419,260.30, 2,129,230.65 and 472,639.22 is: 709,072.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,260.30 : 2,129,230.65 = 472,639.22 : x
  2. Step 2: Convert to fraction form
    1,419,260.30/2,129,230.65 = 472,639.22/x
  3. Step 3: Cross multiply
    1,419,260.30x = 2,129,230.65 × 472,639.22
  4. Step 4: Simplify right side
    1,419,260.30x = 1,006,357,913,616.09
  5. Step 5: Solve for x
    x = 1,006,357,913,616.09/1,419,260.30
  6. Step 6: Final answer
    x = 709,072.12

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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.