Home / 1,008,895.50-1,509,605.10-808,608.42

Finding the Fourth Proportional to 1,008,895.50, 1,509,605.10 and 808,608.42

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Solution

The fourth proportional to 1,008,895.50, 1,509,605.10 and 808,608.42 is: 1,209,916.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,895.50 : 1,509,605.10 = 808,608.42 : x
  2. Step 2: Convert to fraction form
    1,008,895.50/1,509,605.10 = 808,608.42/x
  3. Step 3: Cross multiply
    1,008,895.50x = 1,509,605.10 × 808,608.42
  4. Step 4: Simplify right side
    1,008,895.50x = 1,220,679,394,734.94
  5. Step 5: Solve for x
    x = 1,220,679,394,734.94/1,008,895.50
  6. Step 6: Final answer
    x = 1,209,916.58

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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.