Home / 1,560,471.61-2,340,707.42-438,540.61

Finding the Fourth Proportional to 1,560,471.61, 2,340,707.42 and 438,540.61

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Solution

The fourth proportional to 1,560,471.61, 2,340,707.42 and 438,540.61 is: 657,810.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,471.61 : 2,340,707.42 = 438,540.61 : x
  2. Step 2: Convert to fraction form
    1,560,471.61/2,340,707.42 = 438,540.61/x
  3. Step 3: Cross multiply
    1,560,471.61x = 2,340,707.42 × 438,540.61
  4. Step 4: Simplify right side
    1,560,471.61x = 1,026,495,260,531.51
  5. Step 5: Solve for x
    x = 1,026,495,260,531.51/1,560,471.61
  6. Step 6: Final answer
    x = 657,810.92

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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.