Home / 1,152,722.34-1,729,166.54-442,750.25

Finding the Fourth Proportional to 1,152,722.34, 1,729,166.54 and 442,750.25

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Solution

The fourth proportional to 1,152,722.34, 1,729,166.54 and 442,750.25 is: 664,157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,722.34 : 1,729,166.54 = 442,750.25 : x
  2. Step 2: Convert to fraction form
    1,152,722.34/1,729,166.54 = 442,750.25/x
  3. Step 3: Cross multiply
    1,152,722.34x = 1,729,166.54 × 442,750.25
  4. Step 4: Simplify right side
    1,152,722.34x = 765,588,919,985.80
  5. Step 5: Solve for x
    x = 765,588,919,985.80/1,152,722.34
  6. Step 6: Final answer
    x = 664,157.27

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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.