Home / 885,743.10-1,328,614.65-808,328.70

Finding the Fourth Proportional to 885,743.10, 1,328,614.65 and 808,328.70

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Solution

The fourth proportional to 885,743.10, 1,328,614.65 and 808,328.70 is: 1,212,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,743.10 : 1,328,614.65 = 808,328.70 : x
  2. Step 2: Convert to fraction form
    885,743.10/1,328,614.65 = 808,328.70/x
  3. Step 3: Cross multiply
    885,743.10x = 1,328,614.65 × 808,328.70
  4. Step 4: Simplify right side
    885,743.10x = 1,073,957,352,835.45
  5. Step 5: Solve for x
    x = 1,073,957,352,835.45/885,743.10
  6. Step 6: Final answer
    x = 1,212,493.05

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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.