Home / 1,368,609.32-2,052,782.04-421,725.80

Finding the Fourth Proportional to 1,368,609.32, 2,052,782.04 and 421,725.80

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Solution

The fourth proportional to 1,368,609.32, 2,052,782.04 and 421,725.80 is: 632,548.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,609.32 : 2,052,782.04 = 421,725.80 : x
  2. Step 2: Convert to fraction form
    1,368,609.32/2,052,782.04 = 421,725.80/x
  3. Step 3: Cross multiply
    1,368,609.32x = 2,052,782.04 × 421,725.80
  4. Step 4: Simplify right side
    1,368,609.32x = 865,711,148,044.63
  5. Step 5: Solve for x
    x = 865,711,148,044.63/1,368,609.32
  6. Step 6: Final answer
    x = 632,548.04

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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.