Home / 991,266.60-1,486,899.90-940,090.80

Finding the Fourth Proportional to 991,266.60, 1,486,899.90 and 940,090.80

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Solution

The fourth proportional to 991,266.60, 1,486,899.90 and 940,090.80 is: 1,410,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,266.60 : 1,486,899.90 = 940,090.80 : x
  2. Step 2: Convert to fraction form
    991,266.60/1,486,899.90 = 940,090.80/x
  3. Step 3: Cross multiply
    991,266.60x = 1,486,899.90 × 940,090.80
  4. Step 4: Simplify right side
    991,266.60x = 1,397,820,916,510.92
  5. Step 5: Solve for x
    x = 1,397,820,916,510.92/991,266.60
  6. Step 6: Final answer
    x = 1,410,136.20

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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.