Home / 790,724.32-1,187,270.16-684,437.44

Finding the Fourth Proportional to 790,724.32, 1,187,270.16 and 684,437.44

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Solution

The fourth proportional to 790,724.32, 1,187,270.16 and 684,437.44 is: 1,027,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,724.32 : 1,187,270.16 = 684,437.44 : x
  2. Step 2: Convert to fraction form
    790,724.32/1,187,270.16 = 684,437.44/x
  3. Step 3: Cross multiply
    790,724.32x = 1,187,270.16 × 684,437.44
  4. Step 4: Simplify right side
    790,724.32x = 812,612,148,898.79
  5. Step 5: Solve for x
    x = 812,612,148,898.79/790,724.32
  6. Step 6: Final answer
    x = 1,027,680.73

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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.