Home / 1,121,008.86-1,681,502.22-513,624.96

Finding the Fourth Proportional to 1,121,008.86, 1,681,502.22 and 513,624.96

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Solution

The fourth proportional to 1,121,008.86, 1,681,502.22 and 513,624.96 is: 770,432.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,008.86 : 1,681,502.22 = 513,624.96 : x
  2. Step 2: Convert to fraction form
    1,121,008.86/1,681,502.22 = 513,624.96/x
  3. Step 3: Cross multiply
    1,121,008.86x = 1,681,502.22 × 513,624.96
  4. Step 4: Simplify right side
    1,121,008.86x = 863,661,510,487.41
  5. Step 5: Solve for x
    x = 863,661,510,487.41/1,121,008.86
  6. Step 6: Final answer
    x = 770,432.37

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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.