Home / 1,528,984.16-2,109,872.62-900,227.92

Finding the Fourth Proportional to 1,528,984.16, 2,109,872.62 and 900,227.92

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Solution

The fourth proportional to 1,528,984.16, 2,109,872.62 and 900,227.92 is: 1,242,240.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,984.16 : 2,109,872.62 = 900,227.92 : x
  2. Step 2: Convert to fraction form
    1,528,984.16/2,109,872.62 = 900,227.92/x
  3. Step 3: Cross multiply
    1,528,984.16x = 2,109,872.62 × 900,227.92
  4. Step 4: Simplify right side
    1,528,984.16x = 1,899,366,240,167.55
  5. Step 5: Solve for x
    x = 1,899,366,240,167.55/1,528,984.16
  6. Step 6: Final answer
    x = 1,242,240.63

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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.