Home / 1,230,974.76-1,699,028.60-721,841.16

Finding the Fourth Proportional to 1,230,974.76, 1,699,028.60 and 721,841.16

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Solution

The fourth proportional to 1,230,974.76, 1,699,028.60 and 721,841.16 is: 996,307.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,974.76 : 1,699,028.60 = 721,841.16 : x
  2. Step 2: Convert to fraction form
    1,230,974.76/1,699,028.60 = 721,841.16/x
  3. Step 3: Cross multiply
    1,230,974.76x = 1,699,028.60 × 721,841.16
  4. Step 4: Simplify right side
    1,230,974.76x = 1,226,428,775,497.18
  5. Step 5: Solve for x
    x = 1,226,428,775,497.18/1,230,974.76
  6. Step 6: Final answer
    x = 996,307.00

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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.