Home / 1,332,342.52-1,998,530.76-385,714.12

Finding the Fourth Proportional to 1,332,342.52, 1,998,530.76 and 385,714.12

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Solution

The fourth proportional to 1,332,342.52, 1,998,530.76 and 385,714.12 is: 578,576.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,342.52 : 1,998,530.76 = 385,714.12 : x
  2. Step 2: Convert to fraction form
    1,332,342.52/1,998,530.76 = 385,714.12/x
  3. Step 3: Cross multiply
    1,332,342.52x = 1,998,530.76 × 385,714.12
  4. Step 4: Simplify right side
    1,332,342.52x = 770,861,533,386.33
  5. Step 5: Solve for x
    x = 770,861,533,386.33/1,332,342.52
  6. Step 6: Final answer
    x = 578,576.10

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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.