Home / 1,012,919.72-1,518,818.68-414,301.28

Finding the Fourth Proportional to 1,012,919.72, 1,518,818.68 and 414,301.28

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Solution

The fourth proportional to 1,012,919.72, 1,518,818.68 and 414,301.28 is: 621,222.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,919.72 : 1,518,818.68 = 414,301.28 : x
  2. Step 2: Convert to fraction form
    1,012,919.72/1,518,818.68 = 414,301.28/x
  3. Step 3: Cross multiply
    1,012,919.72x = 1,518,818.68 × 414,301.28
  4. Step 4: Simplify right side
    1,012,919.72x = 629,248,523,211.91
  5. Step 5: Solve for x
    x = 629,248,523,211.91/1,012,919.72
  6. Step 6: Final answer
    x = 621,222.50

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1.5x scale

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.