Home / 1,130,722.71-1,560,760.97-723,920.20

Finding the Fourth Proportional to 1,130,722.71, 1,560,760.97 and 723,920.20

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Solution

The fourth proportional to 1,130,722.71, 1,560,760.97 and 723,920.20 is: 999,242.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,722.71 : 1,560,760.97 = 723,920.20 : x
  2. Step 2: Convert to fraction form
    1,130,722.71/1,560,760.97 = 723,920.20/x
  3. Step 3: Cross multiply
    1,130,722.71x = 1,560,760.97 × 723,920.20
  4. Step 4: Simplify right side
    1,130,722.71x = 1,129,866,398,884.42
  5. Step 5: Solve for x
    x = 1,129,866,398,884.42/1,130,722.71
  6. Step 6: Final answer
    x = 999,242.69

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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.