Home / 1,120,043.22-1,680,061.50-278,595

Finding the Fourth Proportional to 1,120,043.22, 1,680,061.50 and 278,595

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Solution

The fourth proportional to 1,120,043.22, 1,680,061.50 and 278,595 is: 417,891.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,043.22 : 1,680,061.50 = 278,595 : x
  2. Step 2: Convert to fraction form
    1,120,043.22/1,680,061.50 = 278,595/x
  3. Step 3: Cross multiply
    1,120,043.22x = 1,680,061.50 × 278,595
  4. Step 4: Simplify right side
    1,120,043.22x = 468,056,733,592.50
  5. Step 5: Solve for x
    x = 468,056,733,592.50/1,120,043.22
  6. Step 6: Final answer
    x = 417,891.67

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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.