Home / 1,114,815.38-1,672,306.49-316,161.25

Finding the Fourth Proportional to 1,114,815.38, 1,672,306.49 and 316,161.25

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Solution

The fourth proportional to 1,114,815.38, 1,672,306.49 and 316,161.25 is: 474,265.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,815.38 : 1,672,306.49 = 316,161.25 : x
  2. Step 2: Convert to fraction form
    1,114,815.38/1,672,306.49 = 316,161.25/x
  3. Step 3: Cross multiply
    1,114,815.38x = 1,672,306.49 × 316,161.25
  4. Step 4: Simplify right side
    1,114,815.38x = 528,718,506,871.15
  5. Step 5: Solve for x
    x = 528,718,506,871.15/1,114,815.38
  6. Step 6: Final answer
    x = 474,265.53

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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.