Home / 1,090,022.60-1,635,617.10-459,000.20

Finding the Fourth Proportional to 1,090,022.60, 1,635,617.10 and 459,000.20

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Solution

The fourth proportional to 1,090,022.60, 1,635,617.10 and 459,000.20 is: 688,745.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,022.60 : 1,635,617.10 = 459,000.20 : x
  2. Step 2: Convert to fraction form
    1,090,022.60/1,635,617.10 = 459,000.20/x
  3. Step 3: Cross multiply
    1,090,022.60x = 1,635,617.10 × 459,000.20
  4. Step 4: Simplify right side
    1,090,022.60x = 750,748,576,023.42
  5. Step 5: Solve for x
    x = 750,748,576,023.42/1,090,022.60
  6. Step 6: Final answer
    x = 688,745.88

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1.5x scale

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.