Home / 1,069,554.38-1,475,844.72-639,677.66

Finding the Fourth Proportional to 1,069,554.38, 1,475,844.72 and 639,677.66

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Solution

The fourth proportional to 1,069,554.38, 1,475,844.72 and 639,677.66 is: 882,671.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,554.38 : 1,475,844.72 = 639,677.66 : x
  2. Step 2: Convert to fraction form
    1,069,554.38/1,475,844.72 = 639,677.66/x
  3. Step 3: Cross multiply
    1,069,554.38x = 1,475,844.72 × 639,677.66
  4. Step 4: Simplify right side
    1,069,554.38x = 944,064,897,012.96
  5. Step 5: Solve for x
    x = 944,064,897,012.96/1,069,554.38
  6. Step 6: Final answer
    x = 882,671.25

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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.