Home / 1,160,006.12-1,739,446.63-680,390.65

Finding the Fourth Proportional to 1,160,006.12, 1,739,446.63 and 680,390.65

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Solution

The fourth proportional to 1,160,006.12, 1,739,446.63 and 680,390.65 is: 1,020,256.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,006.12 : 1,739,446.63 = 680,390.65 : x
  2. Step 2: Convert to fraction form
    1,160,006.12/1,739,446.63 = 680,390.65/x
  3. Step 3: Cross multiply
    1,160,006.12x = 1,739,446.63 × 680,390.65
  4. Step 4: Simplify right side
    1,160,006.12x = 1,183,503,223,226.01
  5. Step 5: Solve for x
    x = 1,183,503,223,226.01/1,160,006.12
  6. Step 6: Final answer
    x = 1,020,256.02

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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.