Home / 945,774.10-1,418,661.15-858,682.90

Finding the Fourth Proportional to 945,774.10, 1,418,661.15 and 858,682.90

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Solution

The fourth proportional to 945,774.10, 1,418,661.15 and 858,682.90 is: 1,288,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,774.10 : 1,418,661.15 = 858,682.90 : x
  2. Step 2: Convert to fraction form
    945,774.10/1,418,661.15 = 858,682.90/x
  3. Step 3: Cross multiply
    945,774.10x = 1,418,661.15 × 858,682.90
  4. Step 4: Simplify right side
    945,774.10x = 1,218,180,070,399.34
  5. Step 5: Solve for x
    x = 1,218,180,070,399.34/945,774.10
  6. Step 6: Final answer
    x = 1,288,024.35

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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.