Home / 1,406,195.96-2,106,472.70-646,979.72

Finding the Fourth Proportional to 1,406,195.96, 2,106,472.70 and 646,979.72

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Solution

The fourth proportional to 1,406,195.96, 2,106,472.70 and 646,979.72 is: 969,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,195.96 : 2,106,472.70 = 646,979.72 : x
  2. Step 2: Convert to fraction form
    1,406,195.96/2,106,472.70 = 646,979.72/x
  3. Step 3: Cross multiply
    1,406,195.96x = 2,106,472.70 × 646,979.72
  4. Step 4: Simplify right side
    1,406,195.96x = 1,362,845,108,718.73
  5. Step 5: Solve for x
    x = 1,362,845,108,718.73/1,406,195.96
  6. Step 6: Final answer
    x = 969,171.55

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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.