Home / 1,555,333.65-2,146,371.01-867,049.21

Finding the Fourth Proportional to 1,555,333.65, 2,146,371.01 and 867,049.21

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Solution

The fourth proportional to 1,555,333.65, 2,146,371.01 and 867,049.21 is: 1,196,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,333.65 : 2,146,371.01 = 867,049.21 : x
  2. Step 2: Convert to fraction form
    1,555,333.65/2,146,371.01 = 867,049.21/x
  3. Step 3: Cross multiply
    1,555,333.65x = 2,146,371.01 × 867,049.21
  4. Step 4: Simplify right side
    1,555,333.65x = 1,861,009,289,102.74
  5. Step 5: Solve for x
    x = 1,861,009,289,102.74/1,555,333.65
  6. Step 6: Final answer
    x = 1,196,533.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.