Home / 1,207,420.20-1,811,130.30-365,862.60

Finding the Fourth Proportional to 1,207,420.20, 1,811,130.30 and 365,862.60

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Solution

The fourth proportional to 1,207,420.20, 1,811,130.30 and 365,862.60 is: 548,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,420.20 : 1,811,130.30 = 365,862.60 : x
  2. Step 2: Convert to fraction form
    1,207,420.20/1,811,130.30 = 365,862.60/x
  3. Step 3: Cross multiply
    1,207,420.20x = 1,811,130.30 × 365,862.60
  4. Step 4: Simplify right side
    1,207,420.20x = 662,624,840,496.78
  5. Step 5: Solve for x
    x = 662,624,840,496.78/1,207,420.20
  6. Step 6: Final answer
    x = 548,793.90

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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.