Home / 1,368,613.32-2,052,788.04-421,729.80

Finding the Fourth Proportional to 1,368,613.32, 2,052,788.04 and 421,729.80

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Solution

The fourth proportional to 1,368,613.32, 2,052,788.04 and 421,729.80 is: 632,554.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,613.32 : 2,052,788.04 = 421,729.80 : x
  2. Step 2: Convert to fraction form
    1,368,613.32/2,052,788.04 = 421,729.80/x
  3. Step 3: Cross multiply
    1,368,613.32x = 2,052,788.04 × 421,729.80
  4. Step 4: Simplify right side
    1,368,613.32x = 865,721,889,551.59
  5. Step 5: Solve for x
    x = 865,721,889,551.59/1,368,613.32
  6. Step 6: Final answer
    x = 632,554.04

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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.