Home / 1,071,345.28-1,607,029.44-323,397.76

Finding the Fourth Proportional to 1,071,345.28, 1,607,029.44 and 323,397.76

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Solution

The fourth proportional to 1,071,345.28, 1,607,029.44 and 323,397.76 is: 485,100.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,345.28 : 1,607,029.44 = 323,397.76 : x
  2. Step 2: Convert to fraction form
    1,071,345.28/1,607,029.44 = 323,397.76/x
  3. Step 3: Cross multiply
    1,071,345.28x = 1,607,029.44 × 323,397.76
  4. Step 4: Simplify right side
    1,071,345.28x = 519,709,721,150.05
  5. Step 5: Solve for x
    x = 519,709,721,150.05/1,071,345.28
  6. Step 6: Final answer
    x = 485,100.12

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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.