Home / 1,130,320.80-1,560,252.78-748,470.60

Finding the Fourth Proportional to 1,130,320.80, 1,560,252.78 and 748,470.60

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Solution

The fourth proportional to 1,130,320.80, 1,560,252.78 and 748,470.60 is: 1,033,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,320.80 : 1,560,252.78 = 748,470.60 : x
  2. Step 2: Convert to fraction form
    1,130,320.80/1,560,252.78 = 748,470.60/x
  3. Step 3: Cross multiply
    1,130,320.80x = 1,560,252.78 × 748,470.60
  4. Step 4: Simplify right side
    1,130,320.80x = 1,167,803,334,398.27
  5. Step 5: Solve for x
    x = 1,167,803,334,398.27/1,130,320.80
  6. Step 6: Final answer
    x = 1,033,160.97

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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.