Home / 1,361,988.08-1,879,628.91-750,140.72

Finding the Fourth Proportional to 1,361,988.08, 1,879,628.91 and 750,140.72

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Solution

The fourth proportional to 1,361,988.08, 1,879,628.91 and 750,140.72 is: 1,035,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,988.08 : 1,879,628.91 = 750,140.72 : x
  2. Step 2: Convert to fraction form
    1,361,988.08/1,879,628.91 = 750,140.72/x
  3. Step 3: Cross multiply
    1,361,988.08x = 1,879,628.91 × 750,140.72
  4. Step 4: Simplify right side
    1,361,988.08x = 1,409,986,185,766.26
  5. Step 5: Solve for x
    x = 1,409,986,185,766.26/1,361,988.08
  6. Step 6: Final answer
    x = 1,035,241.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.