Home / 1,654,438.28-2,479,511.88-742,947.71

Finding the Fourth Proportional to 1,654,438.28, 2,479,511.88 and 742,947.71

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Solution

The fourth proportional to 1,654,438.28, 2,479,511.88 and 742,947.71 is: 1,113,458.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654,438.28 : 2,479,511.88 = 742,947.71 : x
  2. Step 2: Convert to fraction form
    1,654,438.28/2,479,511.88 = 742,947.71/x
  3. Step 3: Cross multiply
    1,654,438.28x = 2,479,511.88 × 742,947.71
  4. Step 4: Simplify right side
    1,654,438.28x = 1,842,147,660,766.24
  5. Step 5: Solve for x
    x = 1,842,147,660,766.24/1,654,438.28
  6. Step 6: Final answer
    x = 1,113,458.08

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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.