Home / 1,506,680.87-2,079,234.90-818,359.41

Finding the Fourth Proportional to 1,506,680.87, 2,079,234.90 and 818,359.41

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Solution

The fourth proportional to 1,506,680.87, 2,079,234.90 and 818,359.41 is: 1,129,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,680.87 : 2,079,234.90 = 818,359.41 : x
  2. Step 2: Convert to fraction form
    1,506,680.87/2,079,234.90 = 818,359.41/x
  3. Step 3: Cross multiply
    1,506,680.87x = 2,079,234.90 × 818,359.41
  4. Step 4: Simplify right side
    1,506,680.87x = 1,701,561,446,015.41
  5. Step 5: Solve for x
    x = 1,701,561,446,015.41/1,506,680.87
  6. Step 6: Final answer
    x = 1,129,344.30

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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.