Home / 991,987.04-1,369,049.16-562,221.04

Finding the Fourth Proportional to 991,987.04, 1,369,049.16 and 562,221.04

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Solution

The fourth proportional to 991,987.04, 1,369,049.16 and 562,221.04 is: 775,925.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,987.04 : 1,369,049.16 = 562,221.04 : x
  2. Step 2: Convert to fraction form
    991,987.04/1,369,049.16 = 562,221.04/x
  3. Step 3: Cross multiply
    991,987.04x = 1,369,049.16 × 562,221.04
  4. Step 4: Simplify right side
    991,987.04x = 769,708,242,546.33
  5. Step 5: Solve for x
    x = 769,708,242,546.33/991,987.04
  6. Step 6: Final answer
    x = 775,925.70

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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.