Home / 1,486,689.69-2,051,631.77-807,626.19

Finding the Fourth Proportional to 1,486,689.69, 2,051,631.77 and 807,626.19

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Solution

The fourth proportional to 1,486,689.69, 2,051,631.77 and 807,626.19 is: 1,114,524.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,689.69 : 2,051,631.77 = 807,626.19 : x
  2. Step 2: Convert to fraction form
    1,486,689.69/2,051,631.77 = 807,626.19/x
  3. Step 3: Cross multiply
    1,486,689.69x = 2,051,631.77 × 807,626.19
  4. Step 4: Simplify right side
    1,486,689.69x = 1,656,951,544,558.98
  5. Step 5: Solve for x
    x = 1,656,951,544,558.98/1,486,689.69
  6. Step 6: Final answer
    x = 1,114,524.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.