Home / 1,148,465.26-1,584,882.08-639,287.92

Finding the Fourth Proportional to 1,148,465.26, 1,584,882.08 and 639,287.92

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Solution

The fourth proportional to 1,148,465.26, 1,584,882.08 and 639,287.92 is: 882,217.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,465.26 : 1,584,882.08 = 639,287.92 : x
  2. Step 2: Convert to fraction form
    1,148,465.26/1,584,882.08 = 639,287.92/x
  3. Step 3: Cross multiply
    1,148,465.26x = 1,584,882.08 × 639,287.92
  4. Step 4: Simplify right side
    1,148,465.26x = 1,013,195,968,368.47
  5. Step 5: Solve for x
    x = 1,013,195,968,368.47/1,148,465.26
  6. Step 6: Final answer
    x = 882,217.34

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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.