Home / 1,105,175.80-1,657,763.70-972,315.55

Finding the Fourth Proportional to 1,105,175.80, 1,657,763.70 and 972,315.55

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Solution

The fourth proportional to 1,105,175.80, 1,657,763.70 and 972,315.55 is: 1,458,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,175.80 : 1,657,763.70 = 972,315.55 : x
  2. Step 2: Convert to fraction form
    1,105,175.80/1,657,763.70 = 972,315.55/x
  3. Step 3: Cross multiply
    1,105,175.80x = 1,657,763.70 × 972,315.55
  4. Step 4: Simplify right side
    1,105,175.80x = 1,611,869,423,735.54
  5. Step 5: Solve for x
    x = 1,611,869,423,735.54/1,105,175.80
  6. Step 6: Final answer
    x = 1,458,473.33

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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.