Home / 1,385,205.68-2,079,085.77-702,571.65

Finding the Fourth Proportional to 1,385,205.68, 2,079,085.77 and 702,571.65

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Solution

The fourth proportional to 1,385,205.68, 2,079,085.77 and 702,571.65 is: 1,054,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,205.68 : 2,079,085.77 = 702,571.65 : x
  2. Step 2: Convert to fraction form
    1,385,205.68/2,079,085.77 = 702,571.65/x
  3. Step 3: Cross multiply
    1,385,205.68x = 2,079,085.77 × 702,571.65
  4. Step 4: Simplify right side
    1,385,205.68x = 1,460,706,719,920.42
  5. Step 5: Solve for x
    x = 1,460,706,719,920.42/1,385,205.68
  6. Step 6: Final answer
    x = 1,054,505.30

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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.