Home / 917,451.20-1,373,455.20-681,838.40

Finding the Fourth Proportional to 917,451.20, 1,373,455.20 and 681,838.40

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Solution

The fourth proportional to 917,451.20, 1,373,455.20 and 681,838.40 is: 1,020,734.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,451.20 : 1,373,455.20 = 681,838.40 : x
  2. Step 2: Convert to fraction form
    917,451.20/1,373,455.20 = 681,838.40/x
  3. Step 3: Cross multiply
    917,451.20x = 1,373,455.20 × 681,838.40
  4. Step 4: Simplify right side
    917,451.20x = 936,474,496,039.68
  5. Step 5: Solve for x
    x = 936,474,496,039.68/917,451.20
  6. Step 6: Final answer
    x = 1,020,734.94

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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.