Home / 945,772.60-1,418,658.90-858,681.40

Finding the Fourth Proportional to 945,772.60, 1,418,658.90 and 858,681.40

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Solution

The fourth proportional to 945,772.60, 1,418,658.90 and 858,681.40 is: 1,288,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,772.60 : 1,418,658.90 = 858,681.40 : x
  2. Step 2: Convert to fraction form
    945,772.60/1,418,658.90 = 858,681.40/x
  3. Step 3: Cross multiply
    945,772.60x = 1,418,658.90 × 858,681.40
  4. Step 4: Simplify right side
    945,772.60x = 1,218,176,010,374.46
  5. Step 5: Solve for x
    x = 1,218,176,010,374.46/945,772.60
  6. Step 6: Final answer
    x = 1,288,022.10

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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.