Home / 990,718.56-1,367,207.44-560,987.04

Finding the Fourth Proportional to 990,718.56, 1,367,207.44 and 560,987.04

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Solution

The fourth proportional to 990,718.56, 1,367,207.44 and 560,987.04 is: 774,171.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,718.56 : 1,367,207.44 = 560,987.04 : x
  2. Step 2: Convert to fraction form
    990,718.56/1,367,207.44 = 560,987.04/x
  3. Step 3: Cross multiply
    990,718.56x = 1,367,207.44 × 560,987.04
  4. Step 4: Simplify right side
    990,718.56x = 766,985,654,831.58
  5. Step 5: Solve for x
    x = 766,985,654,831.58/990,718.56
  6. Step 6: Final answer
    x = 774,171.08

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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.