Home / 1,030,177.20-1,545,411.60-320,131.20

Finding the Fourth Proportional to 1,030,177.20, 1,545,411.60 and 320,131.20

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Solution

The fourth proportional to 1,030,177.20, 1,545,411.60 and 320,131.20 is: 480,242.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,177.20 : 1,545,411.60 = 320,131.20 : x
  2. Step 2: Convert to fraction form
    1,030,177.20/1,545,411.60 = 320,131.20/x
  3. Step 3: Cross multiply
    1,030,177.20x = 1,545,411.60 × 320,131.20
  4. Step 4: Simplify right side
    1,030,177.20x = 494,734,470,001.92
  5. Step 5: Solve for x
    x = 494,734,470,001.92/1,030,177.20
  6. Step 6: Final answer
    x = 480,242.11

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1.5x scale

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.