Home / 1,230,211.24-1,697,653.02-721,252.60

Finding the Fourth Proportional to 1,230,211.24, 1,697,653.02 and 721,252.60

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Solution

The fourth proportional to 1,230,211.24, 1,697,653.02 and 721,252.60 is: 995,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,211.24 : 1,697,653.02 = 721,252.60 : x
  2. Step 2: Convert to fraction form
    1,230,211.24/1,697,653.02 = 721,252.60/x
  3. Step 3: Cross multiply
    1,230,211.24x = 1,697,653.02 × 721,252.60
  4. Step 4: Simplify right side
    1,230,211.24x = 1,224,436,654,572.85
  5. Step 5: Solve for x
    x = 1,224,436,654,572.85/1,230,211.24
  6. Step 6: Final answer
    x = 995,306.02

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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.