Home / 1,310,347.90-1,965,801.30-741,995.20

Finding the Fourth Proportional to 1,310,347.90, 1,965,801.30 and 741,995.20

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Solution

The fourth proportional to 1,310,347.90, 1,965,801.30 and 741,995.20 is: 1,113,151.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,347.90 : 1,965,801.30 = 741,995.20 : x
  2. Step 2: Convert to fraction form
    1,310,347.90/1,965,801.30 = 741,995.20/x
  3. Step 3: Cross multiply
    1,310,347.90x = 1,965,801.30 × 741,995.20
  4. Step 4: Simplify right side
    1,310,347.90x = 1,458,615,128,753.76
  5. Step 5: Solve for x
    x = 1,458,615,128,753.76/1,310,347.90
  6. Step 6: Final answer
    x = 1,113,151.04

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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.