Home / 1,527,014.28-2,287,031.94-728,856.12

Finding the Fourth Proportional to 1,527,014.28, 2,287,031.94 and 728,856.12

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Solution

The fourth proportional to 1,527,014.28, 2,287,031.94 and 728,856.12 is: 1,091,618.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,014.28 : 2,287,031.94 = 728,856.12 : x
  2. Step 2: Convert to fraction form
    1,527,014.28/2,287,031.94 = 728,856.12/x
  3. Step 3: Cross multiply
    1,527,014.28x = 2,287,031.94 × 728,856.12
  4. Step 4: Simplify right side
    1,527,014.28x = 1,666,917,226,104.47
  5. Step 5: Solve for x
    x = 1,666,917,226,104.47/1,527,014.28
  6. Step 6: Final answer
    x = 1,091,618.62

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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.