Home / 1,520,034.94-2,278,764.66-666,459.70

Finding the Fourth Proportional to 1,520,034.94, 2,278,764.66 and 666,459.70

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Solution

The fourth proportional to 1,520,034.94, 2,278,764.66 and 666,459.70 is: 999,124.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,034.94 : 2,278,764.66 = 666,459.70 : x
  2. Step 2: Convert to fraction form
    1,520,034.94/2,278,764.66 = 666,459.70/x
  3. Step 3: Cross multiply
    1,520,034.94x = 2,278,764.66 × 666,459.70
  4. Step 4: Simplify right side
    1,520,034.94x = 1,518,704,811,674.20
  5. Step 5: Solve for x
    x = 1,518,704,811,674.20/1,520,034.94
  6. Step 6: Final answer
    x = 999,124.94

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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.