Home / 1,368,188.34-2,052,614.67-421,559.02

Finding the Fourth Proportional to 1,368,188.34, 2,052,614.67 and 421,559.02

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Solution

The fourth proportional to 1,368,188.34, 2,052,614.67 and 421,559.02 is: 632,440.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,188.34 : 2,052,614.67 = 421,559.02 : x
  2. Step 2: Convert to fraction form
    1,368,188.34/2,052,614.67 = 421,559.02/x
  3. Step 3: Cross multiply
    1,368,188.34x = 2,052,614.67 × 421,559.02
  4. Step 4: Simplify right side
    1,368,188.34x = 865,298,228,722.82
  5. Step 5: Solve for x
    x = 865,298,228,722.82/1,368,188.34
  6. Step 6: Final answer
    x = 632,440.87

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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.