Home / 1,330,594.80-1,995,454.80-489,037.20

Finding the Fourth Proportional to 1,330,594.80, 1,995,454.80 and 489,037.20

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Solution

The fourth proportional to 1,330,594.80, 1,995,454.80 and 489,037.20 is: 733,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,594.80 : 1,995,454.80 = 489,037.20 : x
  2. Step 2: Convert to fraction form
    1,330,594.80/1,995,454.80 = 489,037.20/x
  3. Step 3: Cross multiply
    1,330,594.80x = 1,995,454.80 × 489,037.20
  4. Step 4: Simplify right side
    1,330,594.80x = 975,851,628,118.56
  5. Step 5: Solve for x
    x = 975,851,628,118.56/1,330,594.80
  6. Step 6: Final answer
    x = 733,395.04

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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.