Home / 1,581,662.20-2,370,743.70-872,199.40

Finding the Fourth Proportional to 1,581,662.20, 2,370,743.70 and 872,199.40

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Solution

The fourth proportional to 1,581,662.20, 2,370,743.70 and 872,199.40 is: 1,307,334.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,662.20 : 2,370,743.70 = 872,199.40 : x
  2. Step 2: Convert to fraction form
    1,581,662.20/2,370,743.70 = 872,199.40/x
  3. Step 3: Cross multiply
    1,581,662.20x = 2,370,743.70 × 872,199.40
  4. Step 4: Simplify right side
    1,581,662.20x = 2,067,761,232,693.78
  5. Step 5: Solve for x
    x = 2,067,761,232,693.78/1,581,662.20
  6. Step 6: Final answer
    x = 1,307,334.29

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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.