Home / 1,350,350.40-2,025,201.60-780,499.20

Finding the Fourth Proportional to 1,350,350.40, 2,025,201.60 and 780,499.20

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Solution

The fourth proportional to 1,350,350.40, 2,025,201.60 and 780,499.20 is: 1,170,561.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,350.40 : 2,025,201.60 = 780,499.20 : x
  2. Step 2: Convert to fraction form
    1,350,350.40/2,025,201.60 = 780,499.20/x
  3. Step 3: Cross multiply
    1,350,350.40x = 2,025,201.60 × 780,499.20
  4. Step 4: Simplify right side
    1,350,350.40x = 1,580,668,228,638.72
  5. Step 5: Solve for x
    x = 1,580,668,228,638.72/1,350,350.40
  6. Step 6: Final answer
    x = 1,170,561.53

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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.