Home / 1,558,649.46-2,338,106.78-547,684.11

Finding the Fourth Proportional to 1,558,649.46, 2,338,106.78 and 547,684.11

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Solution

The fourth proportional to 1,558,649.46, 2,338,106.78 and 547,684.11 is: 821,572.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,649.46 : 2,338,106.78 = 547,684.11 : x
  2. Step 2: Convert to fraction form
    1,558,649.46/2,338,106.78 = 547,684.11/x
  3. Step 3: Cross multiply
    1,558,649.46x = 2,338,106.78 × 547,684.11
  4. Step 4: Simplify right side
    1,558,649.46x = 1,280,543,928,150.85
  5. Step 5: Solve for x
    x = 1,280,543,928,150.85/1,558,649.46
  6. Step 6: Final answer
    x = 821,572.75

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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.