Home / 1,055,381.79-1,456,428.11-571,946.91

Finding the Fourth Proportional to 1,055,381.79, 1,456,428.11 and 571,946.91

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Solution

The fourth proportional to 1,055,381.79, 1,456,428.11 and 571,946.91 is: 789,287.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,381.79 : 1,456,428.11 = 571,946.91 : x
  2. Step 2: Convert to fraction form
    1,055,381.79/1,456,428.11 = 571,946.91/x
  3. Step 3: Cross multiply
    1,055,381.79x = 1,456,428.11 × 571,946.91
  4. Step 4: Simplify right side
    1,055,381.79x = 832,999,557,151.64
  5. Step 5: Solve for x
    x = 832,999,557,151.64/1,055,381.79
  6. Step 6: Final answer
    x = 789,287.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.