Home / 1,371,345.25-2,058,344.65-661,872.73

Finding the Fourth Proportional to 1,371,345.25, 2,058,344.65 and 661,872.73

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Solution

The fourth proportional to 1,371,345.25, 2,058,344.65 and 661,872.73 is: 993,449.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,345.25 : 2,058,344.65 = 661,872.73 : x
  2. Step 2: Convert to fraction form
    1,371,345.25/2,058,344.65 = 661,872.73/x
  3. Step 3: Cross multiply
    1,371,345.25x = 2,058,344.65 × 661,872.73
  4. Step 4: Simplify right side
    1,371,345.25x = 1,362,362,182,484.67
  5. Step 5: Solve for x
    x = 1,362,362,182,484.67/1,371,345.25
  6. Step 6: Final answer
    x = 993,449.45

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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.