Home / 1,087,571.52-1,499,678.55-679,524.30

Finding the Fourth Proportional to 1,087,571.52, 1,499,678.55 and 679,524.30

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Solution

The fourth proportional to 1,087,571.52, 1,499,678.55 and 679,524.30 is: 937,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,571.52 : 1,499,678.55 = 679,524.30 : x
  2. Step 2: Convert to fraction form
    1,087,571.52/1,499,678.55 = 679,524.30/x
  3. Step 3: Cross multiply
    1,087,571.52x = 1,499,678.55 × 679,524.30
  4. Step 4: Simplify right side
    1,087,571.52x = 1,019,068,016,913.77
  5. Step 5: Solve for x
    x = 1,019,068,016,913.77/1,087,571.52
  6. Step 6: Final answer
    x = 937,012.42

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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.