Home / 1,148,490.48-1,584,889.90-639,181.92

Finding the Fourth Proportional to 1,148,490.48, 1,584,889.90 and 639,181.92

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Solution

The fourth proportional to 1,148,490.48, 1,584,889.90 and 639,181.92 is: 882,056.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,490.48 : 1,584,889.90 = 639,181.92 : x
  2. Step 2: Convert to fraction form
    1,148,490.48/1,584,889.90 = 639,181.92/x
  3. Step 3: Cross multiply
    1,148,490.48x = 1,584,889.90 × 639,181.92
  4. Step 4: Simplify right side
    1,148,490.48x = 1,013,032,969,270.61
  5. Step 5: Solve for x
    x = 1,013,032,969,270.61/1,148,490.48
  6. Step 6: Final answer
    x = 882,056.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.