Home / 1,148,488.49-1,584,887.15-639,179.93

Finding the Fourth Proportional to 1,148,488.49, 1,584,887.15 and 639,179.93

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Solution

The fourth proportional to 1,148,488.49, 1,584,887.15 and 639,179.93 is: 882,053.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,488.49 : 1,584,887.15 = 639,179.93 : x
  2. Step 2: Convert to fraction form
    1,148,488.49/1,584,887.15 = 639,179.93/x
  3. Step 3: Cross multiply
    1,148,488.49x = 1,584,887.15 × 639,179.93
  4. Step 4: Simplify right side
    1,148,488.49x = 1,013,028,046,474.56
  5. Step 5: Solve for x
    x = 1,013,028,046,474.56/1,148,488.49
  6. Step 6: Final answer
    x = 882,053.29

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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.