Home / 1,526,600.80-2,289,901.20-389,360.80

Finding the Fourth Proportional to 1,526,600.80, 2,289,901.20 and 389,360.80

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Solution

The fourth proportional to 1,526,600.80, 2,289,901.20 and 389,360.80 is: 584,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,600.80 : 2,289,901.20 = 389,360.80 : x
  2. Step 2: Convert to fraction form
    1,526,600.80/2,289,901.20 = 389,360.80/x
  3. Step 3: Cross multiply
    1,526,600.80x = 2,289,901.20 × 389,360.80
  4. Step 4: Simplify right side
    1,526,600.80x = 891,597,763,152.96
  5. Step 5: Solve for x
    x = 891,597,763,152.96/1,526,600.80
  6. Step 6: Final answer
    x = 584,041.20

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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.