Home / 1,678,591.34-2,518,280.40-667,770.74

Finding the Fourth Proportional to 1,678,591.34, 2,518,280.40 and 667,770.74

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Solution

The fourth proportional to 1,678,591.34, 2,518,280.40 and 667,770.74 is: 1,001,812.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,591.34 : 2,518,280.40 = 667,770.74 : x
  2. Step 2: Convert to fraction form
    1,678,591.34/2,518,280.40 = 667,770.74/x
  3. Step 3: Cross multiply
    1,678,591.34x = 2,518,280.40 × 667,770.74
  4. Step 4: Simplify right side
    1,678,591.34x = 1,681,633,966,235.50
  5. Step 5: Solve for x
    x = 1,681,633,966,235.50/1,678,591.34
  6. Step 6: Final answer
    x = 1,001,812.61

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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.