Home / 1,371,335.87-2,058,330.59-661,863.35

Finding the Fourth Proportional to 1,371,335.87, 2,058,330.59 and 661,863.35

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Solution

The fourth proportional to 1,371,335.87, 2,058,330.59 and 661,863.35 is: 993,435.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,335.87 : 2,058,330.59 = 661,863.35 : x
  2. Step 2: Convert to fraction form
    1,371,335.87/2,058,330.59 = 661,863.35/x
  3. Step 3: Cross multiply
    1,371,335.87x = 2,058,330.59 × 661,863.35
  4. Step 4: Simplify right side
    1,371,335.87x = 1,362,333,576,395.56
  5. Step 5: Solve for x
    x = 1,362,333,576,395.56/1,371,335.87
  6. Step 6: Final answer
    x = 993,435.38

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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.