Home / 991,108.13-1,367,613.18-583,120.24

Finding the Fourth Proportional to 991,108.13, 1,367,613.18 and 583,120.24

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Solution

The fourth proportional to 991,108.13, 1,367,613.18 and 583,120.24 is: 804,637.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,108.13 : 1,367,613.18 = 583,120.24 : x
  2. Step 2: Convert to fraction form
    991,108.13/1,367,613.18 = 583,120.24/x
  3. Step 3: Cross multiply
    991,108.13x = 1,367,613.18 × 583,120.24
  4. Step 4: Simplify right side
    991,108.13x = 797,482,922,329.73
  5. Step 5: Solve for x
    x = 797,482,922,329.73/991,108.13
  6. Step 6: Final answer
    x = 804,637.66

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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.