Home / 1,341,840-1,851,739.20-738,215.04

Finding the Fourth Proportional to 1,341,840, 1,851,739.20 and 738,215.04

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Solution

The fourth proportional to 1,341,840, 1,851,739.20 and 738,215.04 is: 1,018,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,840 : 1,851,739.20 = 738,215.04 : x
  2. Step 2: Convert to fraction form
    1,341,840/1,851,739.20 = 738,215.04/x
  3. Step 3: Cross multiply
    1,341,840x = 1,851,739.20 × 738,215.04
  4. Step 4: Simplify right side
    1,341,840x = 1,366,981,727,597.57
  5. Step 5: Solve for x
    x = 1,366,981,727,597.57/1,341,840
  6. Step 6: Final answer
    x = 1,018,736.76

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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.