Home / 784,098-1,176,156.09-745,854.66

Finding the Fourth Proportional to 784,098, 1,176,156.09 and 745,854.66

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Solution

The fourth proportional to 784,098, 1,176,156.09 and 745,854.66 is: 1,118,790.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,098 : 1,176,156.09 = 745,854.66 : x
  2. Step 2: Convert to fraction form
    784,098/1,176,156.09 = 745,854.66/x
  3. Step 3: Cross multiply
    784,098x = 1,176,156.09 × 745,854.66
  4. Step 4: Simplify right side
    784,098x = 877,241,500,613.88
  5. Step 5: Solve for x
    x = 877,241,500,613.88/784,098
  6. Step 6: Final answer
    x = 1,118,790.64

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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.