Home / 1,528,902.26-2,288,363.18-1,123,987.25

Finding the Fourth Proportional to 1,528,902.26, 2,288,363.18 and 1,123,987.25

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Solution

The fourth proportional to 1,528,902.26, 2,288,363.18 and 1,123,987.25 is: 1,682,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,902.26 : 2,288,363.18 = 1,123,987.25 : x
  2. Step 2: Convert to fraction form
    1,528,902.26/2,288,363.18 = 1,123,987.25/x
  3. Step 3: Cross multiply
    1,528,902.26x = 2,288,363.18 × 1,123,987.25
  4. Step 4: Simplify right side
    1,528,902.26x = 2,572,091,029,057.61
  5. Step 5: Solve for x
    x = 2,572,091,029,057.61/1,528,902.26
  6. Step 6: Final answer
    x = 1,682,312.27

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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.