Home / 895,104.80-1,342,657.20-860,112.80

Finding the Fourth Proportional to 895,104.80, 1,342,657.20 and 860,112.80

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Solution

The fourth proportional to 895,104.80, 1,342,657.20 and 860,112.80 is: 1,290,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,104.80 : 1,342,657.20 = 860,112.80 : x
  2. Step 2: Convert to fraction form
    895,104.80/1,342,657.20 = 860,112.80/x
  3. Step 3: Cross multiply
    895,104.80x = 1,342,657.20 × 860,112.80
  4. Step 4: Simplify right side
    895,104.80x = 1,154,836,643,732.16
  5. Step 5: Solve for x
    x = 1,154,836,643,732.16/895,104.80
  6. Step 6: Final answer
    x = 1,290,169.20

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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.