Home / 1,158,728.20-1,738,221.90-360,003.40

Finding the Fourth Proportional to 1,158,728.20, 1,738,221.90 and 360,003.40

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Solution

The fourth proportional to 1,158,728.20, 1,738,221.90 and 360,003.40 is: 540,045.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,728.20 : 1,738,221.90 = 360,003.40 : x
  2. Step 2: Convert to fraction form
    1,158,728.20/1,738,221.90 = 360,003.40/x
  3. Step 3: Cross multiply
    1,158,728.20x = 1,738,221.90 × 360,003.40
  4. Step 4: Simplify right side
    1,158,728.20x = 625,765,793,954.46
  5. Step 5: Solve for x
    x = 625,765,793,954.46/1,158,728.20
  6. Step 6: Final answer
    x = 540,045.37

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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.