Home / 1,230,971.55-1,699,024.17-721,837.95

Finding the Fourth Proportional to 1,230,971.55, 1,699,024.17 and 721,837.95

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Solution

The fourth proportional to 1,230,971.55, 1,699,024.17 and 721,837.95 is: 996,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,971.55 : 1,699,024.17 = 721,837.95 : x
  2. Step 2: Convert to fraction form
    1,230,971.55/1,699,024.17 = 721,837.95/x
  3. Step 3: Cross multiply
    1,230,971.55x = 1,699,024.17 × 721,837.95
  4. Step 4: Simplify right side
    1,230,971.55x = 1,226,420,123,873.25
  5. Step 5: Solve for x
    x = 1,226,420,123,873.25/1,230,971.55
  6. Step 6: Final answer
    x = 996,302.57

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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.