Home / 1,165,022.68-1,606,903.10-777,642.78

Finding the Fourth Proportional to 1,165,022.68, 1,606,903.10 and 777,642.78

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Solution

The fourth proportional to 1,165,022.68, 1,606,903.10 and 777,642.78 is: 1,072,594.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,022.68 : 1,606,903.10 = 777,642.78 : x
  2. Step 2: Convert to fraction form
    1,165,022.68/1,606,903.10 = 777,642.78/x
  3. Step 3: Cross multiply
    1,165,022.68x = 1,606,903.10 × 777,642.78
  4. Step 4: Simplify right side
    1,165,022.68x = 1,249,596,593,874.62
  5. Step 5: Solve for x
    x = 1,249,596,593,874.62/1,165,022.68
  6. Step 6: Final answer
    x = 1,072,594.22

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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.