Home / 991,120.07-1,367,629.65-583,132.18

Finding the Fourth Proportional to 991,120.07, 1,367,629.65 and 583,132.18

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Solution

The fourth proportional to 991,120.07, 1,367,629.65 and 583,132.18 is: 804,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,120.07 : 1,367,629.65 = 583,132.18 : x
  2. Step 2: Convert to fraction form
    991,120.07/1,367,629.65 = 583,132.18/x
  3. Step 3: Cross multiply
    991,120.07x = 1,367,629.65 × 583,132.18
  4. Step 4: Simplify right side
    991,120.07x = 797,508,859,237.14
  5. Step 5: Solve for x
    x = 797,508,859,237.14/991,120.07
  6. Step 6: Final answer
    x = 804,654.13

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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.