Home / 1,299,508.42-1,948,549.11-400,700.63

Finding the Fourth Proportional to 1,299,508.42, 1,948,549.11 and 400,700.63

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Solution

The fourth proportional to 1,299,508.42, 1,948,549.11 and 400,700.63 is: 600,830.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,508.42 : 1,948,549.11 = 400,700.63 : x
  2. Step 2: Convert to fraction form
    1,299,508.42/1,948,549.11 = 400,700.63/x
  3. Step 3: Cross multiply
    1,299,508.42x = 1,948,549.11 × 400,700.63
  4. Step 4: Simplify right side
    1,299,508.42x = 780,784,847,221.95
  5. Step 5: Solve for x
    x = 780,784,847,221.95/1,299,508.42
  6. Step 6: Final answer
    x = 600,830.93

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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.