Home / 1,330,259.20-1,995,064.80-383,531.20

Finding the Fourth Proportional to 1,330,259.20, 1,995,064.80 and 383,531.20

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Solution

The fourth proportional to 1,330,259.20, 1,995,064.80 and 383,531.20 is: 575,203.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,259.20 : 1,995,064.80 = 383,531.20 : x
  2. Step 2: Convert to fraction form
    1,330,259.20/1,995,064.80 = 383,531.20/x
  3. Step 3: Cross multiply
    1,330,259.20x = 1,995,064.80 × 383,531.20
  4. Step 4: Simplify right side
    1,330,259.20x = 765,169,596,821.76
  5. Step 5: Solve for x
    x = 765,169,596,821.76/1,330,259.20
  6. Step 6: Final answer
    x = 575,203.39

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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.