Home / 1,363,642.28-1,881,409.32-790,568.09

Finding the Fourth Proportional to 1,363,642.28, 1,881,409.32 and 790,568.09

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Solution

The fourth proportional to 1,363,642.28, 1,881,409.32 and 790,568.09 is: 1,090,742.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,642.28 : 1,881,409.32 = 790,568.09 : x
  2. Step 2: Convert to fraction form
    1,363,642.28/1,881,409.32 = 790,568.09/x
  3. Step 3: Cross multiply
    1,363,642.28x = 1,881,409.32 × 790,568.09
  4. Step 4: Simplify right side
    1,363,642.28x = 1,487,382,172,620.60
  5. Step 5: Solve for x
    x = 1,487,382,172,620.60/1,363,642.28
  6. Step 6: Final answer
    x = 1,090,742.19

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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.