Home / 1,232,391.28-1,700,408.48-715,838.24

Finding the Fourth Proportional to 1,232,391.28, 1,700,408.48 and 715,838.24

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Solution

The fourth proportional to 1,232,391.28, 1,700,408.48 and 715,838.24 is: 987,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,391.28 : 1,700,408.48 = 715,838.24 : x
  2. Step 2: Convert to fraction form
    1,232,391.28/1,700,408.48 = 715,838.24/x
  3. Step 3: Cross multiply
    1,232,391.28x = 1,700,408.48 × 715,838.24
  4. Step 4: Simplify right side
    1,232,391.28x = 1,217,217,413,604.28
  5. Step 5: Solve for x
    x = 1,217,217,413,604.28/1,232,391.28
  6. Step 6: Final answer
    x = 987,687.46

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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.