Home / 1,170,728.40-1,755,718.88-371,823.08

Finding the Fourth Proportional to 1,170,728.40, 1,755,718.88 and 371,823.08

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Solution

The fourth proportional to 1,170,728.40, 1,755,718.88 and 371,823.08 is: 557,615.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,728.40 : 1,755,718.88 = 371,823.08 : x
  2. Step 2: Convert to fraction form
    1,170,728.40/1,755,718.88 = 371,823.08/x
  3. Step 3: Cross multiply
    1,170,728.40x = 1,755,718.88 × 371,823.08
  4. Step 4: Simplify right side
    1,170,728.40x = 652,816,801,575.75
  5. Step 5: Solve for x
    x = 652,816,801,575.75/1,170,728.40
  6. Step 6: Final answer
    x = 557,615.93

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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.