Home / 1,150,340.77-1,586,434.30-720,658.45

Finding the Fourth Proportional to 1,150,340.77, 1,586,434.30 and 720,658.45

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Solution

The fourth proportional to 1,150,340.77, 1,586,434.30 and 720,658.45 is: 993,859.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,340.77 : 1,586,434.30 = 720,658.45 : x
  2. Step 2: Convert to fraction form
    1,150,340.77/1,586,434.30 = 720,658.45/x
  3. Step 3: Cross multiply
    1,150,340.77x = 1,586,434.30 × 720,658.45
  4. Step 4: Simplify right side
    1,150,340.77x = 1,143,277,283,664.84
  5. Step 5: Solve for x
    x = 1,143,277,283,664.84/1,150,340.77
  6. Step 6: Final answer
    x = 993,859.66

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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.