Home / 1,282,179.30-1,768,851.45-772,592.10

Finding the Fourth Proportional to 1,282,179.30, 1,768,851.45 and 772,592.10

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Solution

The fourth proportional to 1,282,179.30, 1,768,851.45 and 772,592.10 is: 1,065,842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,179.30 : 1,768,851.45 = 772,592.10 : x
  2. Step 2: Convert to fraction form
    1,282,179.30/1,768,851.45 = 772,592.10/x
  3. Step 3: Cross multiply
    1,282,179.30x = 1,768,851.45 × 772,592.10
  4. Step 4: Simplify right side
    1,282,179.30x = 1,366,600,656,343.55
  5. Step 5: Solve for x
    x = 1,366,600,656,343.55/1,282,179.30
  6. Step 6: Final answer
    x = 1,065,842.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.