Home / 1,087,227.77-1,501,124.92-679,512.88

Finding the Fourth Proportional to 1,087,227.77, 1,501,124.92 and 679,512.88

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Solution

The fourth proportional to 1,087,227.77, 1,501,124.92 and 679,512.88 is: 938,196.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,227.77 : 1,501,124.92 = 679,512.88 : x
  2. Step 2: Convert to fraction form
    1,087,227.77/1,501,124.92 = 679,512.88/x
  3. Step 3: Cross multiply
    1,087,227.77x = 1,501,124.92 × 679,512.88
  4. Step 4: Simplify right side
    1,087,227.77x = 1,020,033,710,123.35
  5. Step 5: Solve for x
    x = 1,020,033,710,123.35/1,087,227.77
  6. Step 6: Final answer
    x = 938,196.89

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1.5x scale

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.