Home / 1,331,795.61-1,997,711.82-433,242.05

Finding the Fourth Proportional to 1,331,795.61, 1,997,711.82 and 433,242.05

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Solution

The fourth proportional to 1,331,795.61, 1,997,711.82 and 433,242.05 is: 649,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,795.61 : 1,997,711.82 = 433,242.05 : x
  2. Step 2: Convert to fraction form
    1,331,795.61/1,997,711.82 = 433,242.05/x
  3. Step 3: Cross multiply
    1,331,795.61x = 1,997,711.82 × 433,242.05
  4. Step 4: Simplify right side
    1,331,795.61x = 865,492,754,217.47
  5. Step 5: Solve for x
    x = 865,492,754,217.47/1,331,795.61
  6. Step 6: Final answer
    x = 649,869.05

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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.