Home / 1,012,899.27-1,518,905.79-480,572.13

Finding the Fourth Proportional to 1,012,899.27, 1,518,905.79 and 480,572.13

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Solution

The fourth proportional to 1,012,899.27, 1,518,905.79 and 480,572.13 is: 720,647.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,899.27 : 1,518,905.79 = 480,572.13 : x
  2. Step 2: Convert to fraction form
    1,012,899.27/1,518,905.79 = 480,572.13/x
  3. Step 3: Cross multiply
    1,012,899.27x = 1,518,905.79 × 480,572.13
  4. Step 4: Simplify right side
    1,012,899.27x = 729,943,790,769.63
  5. Step 5: Solve for x
    x = 729,943,790,769.63/1,012,899.27
  6. Step 6: Final answer
    x = 720,647.96

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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.