Home / 805,123.80-1,128,832.20-805,123.80

Finding the Fourth Proportional to 805,123.80, 1,128,832.20 and 805,123.80

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Solution

The fourth proportional to 805,123.80, 1,128,832.20 and 805,123.80 is: 1,128,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,123.80 : 1,128,832.20 = 805,123.80 : x
  2. Step 2: Convert to fraction form
    805,123.80/1,128,832.20 = 805,123.80/x
  3. Step 3: Cross multiply
    805,123.80x = 1,128,832.20 × 805,123.80
  4. Step 4: Simplify right side
    805,123.80x = 908,849,670,426.36
  5. Step 5: Solve for x
    x = 908,849,670,426.36/805,123.80
  6. Step 6: Final answer
    x = 1,128,832.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.