Home / 1,148,264.40-1,718,314.20-1,000,131.60

Finding the Fourth Proportional to 1,148,264.40, 1,718,314.20 and 1,000,131.60

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Solution

The fourth proportional to 1,148,264.40, 1,718,314.20 and 1,000,131.60 is: 1,496,641.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,264.40 : 1,718,314.20 = 1,000,131.60 : x
  2. Step 2: Convert to fraction form
    1,148,264.40/1,718,314.20 = 1,000,131.60/x
  3. Step 3: Cross multiply
    1,148,264.40x = 1,718,314.20 × 1,000,131.60
  4. Step 4: Simplify right side
    1,148,264.40x = 1,718,540,330,148.72
  5. Step 5: Solve for x
    x = 1,718,540,330,148.72/1,148,264.40
  6. Step 6: Final answer
    x = 1,496,641.65

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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.