Home / 1,012,919.31-1,518,818.11-414,300.89

Finding the Fourth Proportional to 1,012,919.31, 1,518,818.11 and 414,300.89

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Solution

The fourth proportional to 1,012,919.31, 1,518,818.11 and 414,300.89 is: 621,221.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,919.31 : 1,518,818.11 = 414,300.89 : x
  2. Step 2: Convert to fraction form
    1,012,919.31/1,518,818.11 = 414,300.89/x
  3. Step 3: Cross multiply
    1,012,919.31x = 1,518,818.11 × 414,300.89
  4. Step 4: Simplify right side
    1,012,919.31x = 629,247,697,482.41
  5. Step 5: Solve for x
    x = 629,247,697,482.41/1,012,919.31
  6. Step 6: Final answer
    x = 621,221.94

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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.