Home / 1,069,549.38-1,475,837.82-639,672.66

Finding the Fourth Proportional to 1,069,549.38, 1,475,837.82 and 639,672.66

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Solution

The fourth proportional to 1,069,549.38, 1,475,837.82 and 639,672.66 is: 882,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,549.38 : 1,475,837.82 = 639,672.66 : x
  2. Step 2: Convert to fraction form
    1,069,549.38/1,475,837.82 = 639,672.66/x
  3. Step 3: Cross multiply
    1,069,549.38x = 1,475,837.82 × 639,672.66
  4. Step 4: Simplify right side
    1,069,549.38x = 944,053,104,048.00
  5. Step 5: Solve for x
    x = 944,053,104,048.00/1,069,549.38
  6. Step 6: Final answer
    x = 882,664.35

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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.