Home / 1,248,935.80-1,871,895.05-608,279.36

Finding the Fourth Proportional to 1,248,935.80, 1,871,895.05 and 608,279.36

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Solution

The fourth proportional to 1,248,935.80, 1,871,895.05 and 608,279.36 is: 911,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,935.80 : 1,871,895.05 = 608,279.36 : x
  2. Step 2: Convert to fraction form
    1,248,935.80/1,871,895.05 = 608,279.36/x
  3. Step 3: Cross multiply
    1,248,935.80x = 1,871,895.05 × 608,279.36
  4. Step 4: Simplify right side
    1,248,935.80x = 1,138,635,123,001.17
  5. Step 5: Solve for x
    x = 1,138,635,123,001.17/1,248,935.80
  6. Step 6: Final answer
    x = 911,684.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.