Home / 1,212,574.50-1,818,854.46-314,013.96

Finding the Fourth Proportional to 1,212,574.50, 1,818,854.46 and 314,013.96

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Solution

The fourth proportional to 1,212,574.50, 1,818,854.46 and 314,013.96 is: 471,019.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,574.50 : 1,818,854.46 = 314,013.96 : x
  2. Step 2: Convert to fraction form
    1,212,574.50/1,818,854.46 = 314,013.96/x
  3. Step 3: Cross multiply
    1,212,574.50x = 1,818,854.46 × 314,013.96
  4. Step 4: Simplify right side
    1,212,574.50x = 571,145,691,648.26
  5. Step 5: Solve for x
    x = 571,145,691,648.26/1,212,574.50
  6. Step 6: Final answer
    x = 471,019.05

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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.