Home / 1,528,949.62-2,109,824.90-900,193.36

Finding the Fourth Proportional to 1,528,949.62, 2,109,824.90 and 900,193.36

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Solution

The fourth proportional to 1,528,949.62, 2,109,824.90 and 900,193.36 is: 1,242,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,949.62 : 2,109,824.90 = 900,193.36 : x
  2. Step 2: Convert to fraction form
    1,528,949.62/2,109,824.90 = 900,193.36/x
  3. Step 3: Cross multiply
    1,528,949.62x = 2,109,824.90 × 900,193.36
  4. Step 4: Simplify right side
    1,528,949.62x = 1,899,250,358,104.25
  5. Step 5: Solve for x
    x = 1,899,250,358,104.25/1,528,949.62
  6. Step 6: Final answer
    x = 1,242,192.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.