Home / 1,331,808.82-1,997,731.69-433,255.23

Finding the Fourth Proportional to 1,331,808.82, 1,997,731.69 and 433,255.23

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Solution

The fourth proportional to 1,331,808.82, 1,997,731.69 and 433,255.23 is: 649,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,808.82 : 1,997,731.69 = 433,255.23 : x
  2. Step 2: Convert to fraction form
    1,331,808.82/1,997,731.69 = 433,255.23/x
  3. Step 3: Cross multiply
    1,331,808.82x = 1,997,731.69 × 433,255.23
  4. Step 4: Simplify right side
    1,331,808.82x = 865,527,701,746.10
  5. Step 5: Solve for x
    x = 865,527,701,746.10/1,331,808.82
  6. Step 6: Final answer
    x = 649,888.85

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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.