Home / 1,045,617.80-1,569,981.90-809,227.40

Finding the Fourth Proportional to 1,045,617.80, 1,569,981.90 and 809,227.40

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Solution

The fourth proportional to 1,045,617.80, 1,569,981.90 and 809,227.40 is: 1,215,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,617.80 : 1,569,981.90 = 809,227.40 : x
  2. Step 2: Convert to fraction form
    1,045,617.80/1,569,981.90 = 809,227.40/x
  3. Step 3: Cross multiply
    1,045,617.80x = 1,569,981.90 × 809,227.40
  4. Step 4: Simplify right side
    1,045,617.80x = 1,270,472,370,984.06
  5. Step 5: Solve for x
    x = 1,270,472,370,984.06/1,045,617.80
  6. Step 6: Final answer
    x = 1,215,044.70

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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.