Home / 1,986,696.50-2,980,488.98-724,524.13

Finding the Fourth Proportional to 1,986,696.50, 2,980,488.98 and 724,524.13

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Solution

The fourth proportional to 1,986,696.50, 2,980,488.98 and 724,524.13 is: 1,086,948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,696.50 : 2,980,488.98 = 724,524.13 : x
  2. Step 2: Convert to fraction form
    1,986,696.50/2,980,488.98 = 724,524.13/x
  3. Step 3: Cross multiply
    1,986,696.50x = 2,980,488.98 × 724,524.13
  4. Step 4: Simplify right side
    1,986,696.50x = 2,159,436,169,905.31
  5. Step 5: Solve for x
    x = 2,159,436,169,905.31/1,986,696.50
  6. Step 6: Final answer
    x = 1,086,948.19

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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.