Home / 1,315,962.47-1,969,452.45-1,102,970.81

Finding the Fourth Proportional to 1,315,962.47, 1,969,452.45 and 1,102,970.81

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Solution

The fourth proportional to 1,315,962.47, 1,969,452.45 and 1,102,970.81 is: 1,650,691.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,962.47 : 1,969,452.45 = 1,102,970.81 : x
  2. Step 2: Convert to fraction form
    1,315,962.47/1,969,452.45 = 1,102,970.81/x
  3. Step 3: Cross multiply
    1,315,962.47x = 1,969,452.45 × 1,102,970.81
  4. Step 4: Simplify right side
    1,315,962.47x = 2,172,248,554,185.72
  5. Step 5: Solve for x
    x = 2,172,248,554,185.72/1,315,962.47
  6. Step 6: Final answer
    x = 1,650,691.88

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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.