Home / 1,042,983.48-1,564,719.20-323,287.49

Finding the Fourth Proportional to 1,042,983.48, 1,564,719.20 and 323,287.49

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Solution

The fourth proportional to 1,042,983.48, 1,564,719.20 and 323,287.49 is: 485,006.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,983.48 : 1,564,719.20 = 323,287.49 : x
  2. Step 2: Convert to fraction form
    1,042,983.48/1,564,719.20 = 323,287.49/x
  3. Step 3: Cross multiply
    1,042,983.48x = 1,564,719.20 × 323,287.49
  4. Step 4: Simplify right side
    1,042,983.48x = 505,854,142,722.81
  5. Step 5: Solve for x
    x = 505,854,142,722.81/1,042,983.48
  6. Step 6: Final answer
    x = 485,006.86

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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.