Home / 1,655,189.12-2,482,814.90-457,143.23

Finding the Fourth Proportional to 1,655,189.12, 2,482,814.90 and 457,143.23

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Solution

The fourth proportional to 1,655,189.12, 2,482,814.90 and 457,143.23 is: 685,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655,189.12 : 2,482,814.90 = 457,143.23 : x
  2. Step 2: Convert to fraction form
    1,655,189.12/2,482,814.90 = 457,143.23/x
  3. Step 3: Cross multiply
    1,655,189.12x = 2,482,814.90 × 457,143.23
  4. Step 4: Simplify right side
    1,655,189.12x = 1,135,002,030,228.02
  5. Step 5: Solve for x
    x = 1,135,002,030,228.02/1,655,189.12
  6. Step 6: Final answer
    x = 685,723.47

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Double scale
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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.