Home / 1,335,121.28-1,841,849.76-1,182,315.20

Finding the Fourth Proportional to 1,335,121.28, 1,841,849.76 and 1,182,315.20

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Solution

The fourth proportional to 1,335,121.28, 1,841,849.76 and 1,182,315.20 is: 1,631,048.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,121.28 : 1,841,849.76 = 1,182,315.20 : x
  2. Step 2: Convert to fraction form
    1,335,121.28/1,841,849.76 = 1,182,315.20/x
  3. Step 3: Cross multiply
    1,335,121.28x = 1,841,849.76 × 1,182,315.20
  4. Step 4: Simplify right side
    1,335,121.28x = 2,177,646,967,364.35
  5. Step 5: Solve for x
    x = 2,177,646,967,364.35/1,335,121.28
  6. Step 6: Final answer
    x = 1,631,048.06

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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.