Home / 1,071,016.20-1,609,148.70-805,295.70

Finding the Fourth Proportional to 1,071,016.20, 1,609,148.70 and 805,295.70

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Solution

The fourth proportional to 1,071,016.20, 1,609,148.70 and 805,295.70 is: 1,209,916.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,016.20 : 1,609,148.70 = 805,295.70 : x
  2. Step 2: Convert to fraction form
    1,071,016.20/1,609,148.70 = 805,295.70/x
  3. Step 3: Cross multiply
    1,071,016.20x = 1,609,148.70 × 805,295.70
  4. Step 4: Simplify right side
    1,071,016.20x = 1,295,840,528,770.59
  5. Step 5: Solve for x
    x = 1,295,840,528,770.59/1,071,016.20
  6. Step 6: Final answer
    x = 1,209,916.83

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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.