Home / 1,557,615.88-2,149,537.90-913,500.64

Finding the Fourth Proportional to 1,557,615.88, 2,149,537.90 and 913,500.64

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Solution

The fourth proportional to 1,557,615.88, 2,149,537.90 and 913,500.64 is: 1,260,647.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,615.88 : 2,149,537.90 = 913,500.64 : x
  2. Step 2: Convert to fraction form
    1,557,615.88/2,149,537.90 = 913,500.64/x
  3. Step 3: Cross multiply
    1,557,615.88x = 2,149,537.90 × 913,500.64
  4. Step 4: Simplify right side
    1,557,615.88x = 1,963,604,236,606.57
  5. Step 5: Solve for x
    x = 1,963,604,236,606.57/1,557,615.88
  6. Step 6: Final answer
    x = 1,260,647.29

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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.