Home / 1,132,737.34-1,698,920.15-311,884.47

Finding the Fourth Proportional to 1,132,737.34, 1,698,920.15 and 311,884.47

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Solution

The fourth proportional to 1,132,737.34, 1,698,920.15 and 311,884.47 is: 467,775.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,737.34 : 1,698,920.15 = 311,884.47 : x
  2. Step 2: Convert to fraction form
    1,132,737.34/1,698,920.15 = 311,884.47/x
  3. Step 3: Cross multiply
    1,132,737.34x = 1,698,920.15 × 311,884.47
  4. Step 4: Simplify right side
    1,132,737.34x = 529,866,811,334.78
  5. Step 5: Solve for x
    x = 529,866,811,334.78/1,132,737.34
  6. Step 6: Final answer
    x = 467,775.53

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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.