Home / 1,368,513.64-1,888,472.64-756,631

Finding the Fourth Proportional to 1,368,513.64, 1,888,472.64 and 756,631

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Solution

The fourth proportional to 1,368,513.64, 1,888,472.64 and 756,631 is: 1,044,108.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,513.64 : 1,888,472.64 = 756,631 : x
  2. Step 2: Convert to fraction form
    1,368,513.64/1,888,472.64 = 756,631/x
  3. Step 3: Cross multiply
    1,368,513.64x = 1,888,472.64 × 756,631
  4. Step 4: Simplify right side
    1,368,513.64x = 1,428,876,942,075.84
  5. Step 5: Solve for x
    x = 1,428,876,942,075.84/1,368,513.64
  6. Step 6: Final answer
    x = 1,044,108.66

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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.