Home / 1,520,148.92-2,280,155.54-398,193.08

Finding the Fourth Proportional to 1,520,148.92, 2,280,155.54 and 398,193.08

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Solution

The fourth proportional to 1,520,148.92, 2,280,155.54 and 398,193.08 is: 597,271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,148.92 : 2,280,155.54 = 398,193.08 : x
  2. Step 2: Convert to fraction form
    1,520,148.92/2,280,155.54 = 398,193.08/x
  3. Step 3: Cross multiply
    1,520,148.92x = 2,280,155.54 × 398,193.08
  4. Step 4: Simplify right side
    1,520,148.92x = 907,942,157,351.66
  5. Step 5: Solve for x
    x = 907,942,157,351.66/1,520,148.92
  6. Step 6: Final answer
    x = 597,271.85

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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.