Home / 1,213,484.22-1,674,613.17-669,635.91

Finding the Fourth Proportional to 1,213,484.22, 1,674,613.17 and 669,635.91

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Solution

The fourth proportional to 1,213,484.22, 1,674,613.17 and 669,635.91 is: 924,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,484.22 : 1,674,613.17 = 669,635.91 : x
  2. Step 2: Convert to fraction form
    1,213,484.22/1,674,613.17 = 669,635.91/x
  3. Step 3: Cross multiply
    1,213,484.22x = 1,674,613.17 × 669,635.91
  4. Step 4: Simplify right side
    1,213,484.22x = 1,121,381,113,990.93
  5. Step 5: Solve for x
    x = 1,121,381,113,990.93/1,213,484.22
  6. Step 6: Final answer
    x = 924,100.29

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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.