Home / 991,276.60-1,486,914.90-940,100.80

Finding the Fourth Proportional to 991,276.60, 1,486,914.90 and 940,100.80

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Solution

The fourth proportional to 991,276.60, 1,486,914.90 and 940,100.80 is: 1,410,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,276.60 : 1,486,914.90 = 940,100.80 : x
  2. Step 2: Convert to fraction form
    991,276.60/1,486,914.90 = 940,100.80/x
  3. Step 3: Cross multiply
    991,276.60x = 1,486,914.90 × 940,100.80
  4. Step 4: Simplify right side
    991,276.60x = 1,397,849,887,021.92
  5. Step 5: Solve for x
    x = 1,397,849,887,021.92/991,276.60
  6. Step 6: Final answer
    x = 1,410,151.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.