Home / 1,098,910.40-1,647,053.40-459,212.90

Finding the Fourth Proportional to 1,098,910.40, 1,647,053.40 and 459,212.90

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Solution

The fourth proportional to 1,098,910.40, 1,647,053.40 and 459,212.90 is: 688,271.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,910.40 : 1,647,053.40 = 459,212.90 : x
  2. Step 2: Convert to fraction form
    1,098,910.40/1,647,053.40 = 459,212.90/x
  3. Step 3: Cross multiply
    1,098,910.40x = 1,647,053.40 × 459,212.90
  4. Step 4: Simplify right side
    1,098,910.40x = 756,348,168,268.86
  5. Step 5: Solve for x
    x = 756,348,168,268.86/1,098,910.40
  6. Step 6: Final answer
    x = 688,271.01

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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.