Home / 1,718,117.70-2,577,176.55-520,224.90

Finding the Fourth Proportional to 1,718,117.70, 2,577,176.55 and 520,224.90

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Solution

The fourth proportional to 1,718,117.70, 2,577,176.55 and 520,224.90 is: 780,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,117.70 : 2,577,176.55 = 520,224.90 : x
  2. Step 2: Convert to fraction form
    1,718,117.70/2,577,176.55 = 520,224.90/x
  3. Step 3: Cross multiply
    1,718,117.70x = 2,577,176.55 × 520,224.90
  4. Step 4: Simplify right side
    1,718,117.70x = 1,340,711,413,006.10
  5. Step 5: Solve for x
    x = 1,340,711,413,006.10/1,718,117.70
  6. Step 6: Final answer
    x = 780,337.35

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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.