Home / 1,058,153.47-1,586,143.08-418,197.17

Finding the Fourth Proportional to 1,058,153.47, 1,586,143.08 and 418,197.17

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Solution

The fourth proportional to 1,058,153.47, 1,586,143.08 and 418,197.17 is: 626,866.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,153.47 : 1,586,143.08 = 418,197.17 : x
  2. Step 2: Convert to fraction form
    1,058,153.47/1,586,143.08 = 418,197.17/x
  3. Step 3: Cross multiply
    1,058,153.47x = 1,586,143.08 × 418,197.17
  4. Step 4: Simplify right side
    1,058,153.47x = 663,320,551,236.44
  5. Step 5: Solve for x
    x = 663,320,551,236.44/1,058,153.47
  6. Step 6: Final answer
    x = 626,866.11

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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.