Home / 1,431,194.40-1,975,060.56-786,629.58

Finding the Fourth Proportional to 1,431,194.40, 1,975,060.56 and 786,629.58

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Solution

The fourth proportional to 1,431,194.40, 1,975,060.56 and 786,629.58 is: 1,085,555.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,194.40 : 1,975,060.56 = 786,629.58 : x
  2. Step 2: Convert to fraction form
    1,431,194.40/1,975,060.56 = 786,629.58/x
  3. Step 3: Cross multiply
    1,431,194.40x = 1,975,060.56 × 786,629.58
  4. Step 4: Simplify right side
    1,431,194.40x = 1,553,641,058,787.36
  5. Step 5: Solve for x
    x = 1,553,641,058,787.36/1,431,194.40
  6. Step 6: Final answer
    x = 1,085,555.57

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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.