Home / 885,929.20-1,328,893.80-880,680.40

Finding the Fourth Proportional to 885,929.20, 1,328,893.80 and 880,680.40

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Solution

The fourth proportional to 885,929.20, 1,328,893.80 and 880,680.40 is: 1,321,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,929.20 : 1,328,893.80 = 880,680.40 : x
  2. Step 2: Convert to fraction form
    885,929.20/1,328,893.80 = 880,680.40/x
  3. Step 3: Cross multiply
    885,929.20x = 1,328,893.80 × 880,680.40
  4. Step 4: Simplify right side
    885,929.20x = 1,170,330,723,341.52
  5. Step 5: Solve for x
    x = 1,170,330,723,341.52/885,929.20
  6. Step 6: Final answer
    x = 1,321,020.60

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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.