Home / 1,419,200.24-2,129,139.30-472,579.16

Finding the Fourth Proportional to 1,419,200.24, 2,129,139.30 and 472,579.16

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Solution

The fourth proportional to 1,419,200.24, 2,129,139.30 and 472,579.16 is: 708,981.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,200.24 : 2,129,139.30 = 472,579.16 : x
  2. Step 2: Convert to fraction form
    1,419,200.24/2,129,139.30 = 472,579.16/x
  3. Step 3: Cross multiply
    1,419,200.24x = 2,129,139.30 × 472,579.16
  4. Step 4: Simplify right side
    1,419,200.24x = 1,006,186,861,916.99
  5. Step 5: Solve for x
    x = 1,006,186,861,916.99/1,419,200.24
  6. Step 6: Final answer
    x = 708,981.60

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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.