Home / 1,429,095.15-2,142,520.07-978,452.87

Finding the Fourth Proportional to 1,429,095.15, 2,142,520.07 and 978,452.87

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Solution

The fourth proportional to 1,429,095.15, 2,142,520.07 and 978,452.87 is: 1,466,910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,095.15 : 2,142,520.07 = 978,452.87 : x
  2. Step 2: Convert to fraction form
    1,429,095.15/2,142,520.07 = 978,452.87/x
  3. Step 3: Cross multiply
    1,429,095.15x = 2,142,520.07 × 978,452.87
  4. Step 4: Simplify right side
    1,429,095.15x = 2,096,354,895,919.24
  5. Step 5: Solve for x
    x = 2,096,354,895,919.24/1,429,095.15
  6. Step 6: Final answer
    x = 1,466,910.65

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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.