Home / 1,008,759.04-1,513,190.40-260,811.52

Finding the Fourth Proportional to 1,008,759.04, 1,513,190.40 and 260,811.52

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Solution

The fourth proportional to 1,008,759.04, 1,513,190.40 and 260,811.52 is: 391,230.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,759.04 : 1,513,190.40 = 260,811.52 : x
  2. Step 2: Convert to fraction form
    1,008,759.04/1,513,190.40 = 260,811.52/x
  3. Step 3: Cross multiply
    1,008,759.04x = 1,513,190.40 × 260,811.52
  4. Step 4: Simplify right side
    1,008,759.04x = 394,657,488,273.41
  5. Step 5: Solve for x
    x = 394,657,488,273.41/1,008,759.04
  6. Step 6: Final answer
    x = 391,230.68

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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.