Home / 1,368,634.80-1,888,639.56-756,752.16

Finding the Fourth Proportional to 1,368,634.80, 1,888,639.56 and 756,752.16

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Solution

The fourth proportional to 1,368,634.80, 1,888,639.56 and 756,752.16 is: 1,044,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,634.80 : 1,888,639.56 = 756,752.16 : x
  2. Step 2: Convert to fraction form
    1,368,634.80/1,888,639.56 = 756,752.16/x
  3. Step 3: Cross multiply
    1,368,634.80x = 1,888,639.56 × 756,752.16
  4. Step 4: Simplify right side
    1,368,634.80x = 1,429,232,066,491.45
  5. Step 5: Solve for x
    x = 1,429,232,066,491.45/1,368,634.80
  6. Step 6: Final answer
    x = 1,044,275.70

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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.