Home / 1,331,769.71-1,997,673.01-433,216.15

Finding the Fourth Proportional to 1,331,769.71, 1,997,673.01 and 433,216.15

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Solution

The fourth proportional to 1,331,769.71, 1,997,673.01 and 433,216.15 is: 649,830.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,769.71 : 1,997,673.01 = 433,216.15 : x
  2. Step 2: Convert to fraction form
    1,331,769.71/1,997,673.01 = 433,216.15/x
  3. Step 3: Cross multiply
    1,331,769.71x = 1,997,673.01 × 433,216.15
  4. Step 4: Simplify right side
    1,331,769.71x = 865,424,204,273.89
  5. Step 5: Solve for x
    x = 865,424,204,273.89/1,331,769.71
  6. Step 6: Final answer
    x = 649,830.22

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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.