Home / 1,567,331.38-2,350,999.68-430,109.20

Finding the Fourth Proportional to 1,567,331.38, 2,350,999.68 and 430,109.20

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Solution

The fourth proportional to 1,567,331.38, 2,350,999.68 and 430,109.20 is: 645,164.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,331.38 : 2,350,999.68 = 430,109.20 : x
  2. Step 2: Convert to fraction form
    1,567,331.38/2,350,999.68 = 430,109.20/x
  3. Step 3: Cross multiply
    1,567,331.38x = 2,350,999.68 × 430,109.20
  4. Step 4: Simplify right side
    1,567,331.38x = 1,011,186,591,565.06
  5. Step 5: Solve for x
    x = 1,011,186,591,565.06/1,567,331.38
  6. Step 6: Final answer
    x = 645,164.52

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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.