Home / 1,152,592.40-1,728,872.40-521,505.20

Finding the Fourth Proportional to 1,152,592.40, 1,728,872.40 and 521,505.20

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Solution

The fourth proportional to 1,152,592.40, 1,728,872.40 and 521,505.20 is: 782,250.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,592.40 : 1,728,872.40 = 521,505.20 : x
  2. Step 2: Convert to fraction form
    1,152,592.40/1,728,872.40 = 521,505.20/x
  3. Step 3: Cross multiply
    1,152,592.40x = 1,728,872.40 × 521,505.20
  4. Step 4: Simplify right side
    1,152,592.40x = 901,615,946,736.48
  5. Step 5: Solve for x
    x = 901,615,946,736.48/1,152,592.40
  6. Step 6: Final answer
    x = 782,250.47

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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.