Home / 960,058.60-1,440,087.90-857,415.40

Finding the Fourth Proportional to 960,058.60, 1,440,087.90 and 857,415.40

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Solution

The fourth proportional to 960,058.60, 1,440,087.90 and 857,415.40 is: 1,286,123.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,058.60 : 1,440,087.90 = 857,415.40 : x
  2. Step 2: Convert to fraction form
    960,058.60/1,440,087.90 = 857,415.40/x
  3. Step 3: Cross multiply
    960,058.60x = 1,440,087.90 × 857,415.40
  4. Step 4: Simplify right side
    960,058.60x = 1,234,753,542,813.66
  5. Step 5: Solve for x
    x = 1,234,753,542,813.66/960,058.60
  6. Step 6: Final answer
    x = 1,286,123.10

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1.5x scale

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.