Home / 1,151,147.54-1,726,720.09-392,926.10

Finding the Fourth Proportional to 1,151,147.54, 1,726,720.09 and 392,926.10

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Solution

The fourth proportional to 1,151,147.54, 1,726,720.09 and 392,926.10 is: 589,388.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,147.54 : 1,726,720.09 = 392,926.10 : x
  2. Step 2: Convert to fraction form
    1,151,147.54/1,726,720.09 = 392,926.10/x
  3. Step 3: Cross multiply
    1,151,147.54x = 1,726,720.09 × 392,926.10
  4. Step 4: Simplify right side
    1,151,147.54x = 678,473,381,139.43
  5. Step 5: Solve for x
    x = 678,473,381,139.43/1,151,147.54
  6. Step 6: Final answer
    x = 589,388.72

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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.