Home / 1,371,420.96-2,057,266.78-472,744.38

Finding the Fourth Proportional to 1,371,420.96, 2,057,266.78 and 472,744.38

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Solution

The fourth proportional to 1,371,420.96, 2,057,266.78 and 472,744.38 is: 709,163.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,420.96 : 2,057,266.78 = 472,744.38 : x
  2. Step 2: Convert to fraction form
    1,371,420.96/2,057,266.78 = 472,744.38/x
  3. Step 3: Cross multiply
    1,371,420.96x = 2,057,266.78 × 472,744.38
  4. Step 4: Simplify right side
    1,371,420.96x = 972,561,308,405.70
  5. Step 5: Solve for x
    x = 972,561,308,405.70/1,371,420.96
  6. Step 6: Final answer
    x = 709,163.22

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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.