Home / 1,297,779.42-1,947,085.02-908,691.14

Finding the Fourth Proportional to 1,297,779.42, 1,947,085.02 and 908,691.14

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Solution

The fourth proportional to 1,297,779.42, 1,947,085.02 and 908,691.14 is: 1,363,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,779.42 : 1,947,085.02 = 908,691.14 : x
  2. Step 2: Convert to fraction form
    1,297,779.42/1,947,085.02 = 908,691.14/x
  3. Step 3: Cross multiply
    1,297,779.42x = 1,947,085.02 × 908,691.14
  4. Step 4: Simplify right side
    1,297,779.42x = 1,769,298,906,500.72
  5. Step 5: Solve for x
    x = 1,769,298,906,500.72/1,297,779.42
  6. Step 6: Final answer
    x = 1,363,327.91

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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.