Home / 1,371,421.46-2,057,267.53-472,744.88

Finding the Fourth Proportional to 1,371,421.46, 2,057,267.53 and 472,744.88

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Solution

The fourth proportional to 1,371,421.46, 2,057,267.53 and 472,744.88 is: 709,163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,421.46 : 2,057,267.53 = 472,744.88 : x
  2. Step 2: Convert to fraction form
    1,371,421.46/2,057,267.53 = 472,744.88/x
  3. Step 3: Cross multiply
    1,371,421.46x = 2,057,267.53 × 472,744.88
  4. Step 4: Simplify right side
    1,371,421.46x = 972,562,691,597.75
  5. Step 5: Solve for x
    x = 972,562,691,597.75/1,371,421.46
  6. Step 6: Final answer
    x = 709,163.97

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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.