Home / 1,330,075.20-1,995,404.40-656,479.20

Finding the Fourth Proportional to 1,330,075.20, 1,995,404.40 and 656,479.20

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Solution

The fourth proportional to 1,330,075.20, 1,995,404.40 and 656,479.20 is: 984,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,075.20 : 1,995,404.40 = 656,479.20 : x
  2. Step 2: Convert to fraction form
    1,330,075.20/1,995,404.40 = 656,479.20/x
  3. Step 3: Cross multiply
    1,330,075.20x = 1,995,404.40 × 656,479.20
  4. Step 4: Simplify right side
    1,330,075.20x = 1,309,941,484,188.48
  5. Step 5: Solve for x
    x = 1,309,941,484,188.48/1,330,075.20
  6. Step 6: Final answer
    x = 984,862.72

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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.