Home / 1,208,438.91-1,808,715.65-888,505.95

Finding the Fourth Proportional to 1,208,438.91, 1,808,715.65 and 888,505.95

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Solution

The fourth proportional to 1,208,438.91, 1,808,715.65 and 888,505.95 is: 1,329,860.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,438.91 : 1,808,715.65 = 888,505.95 : x
  2. Step 2: Convert to fraction form
    1,208,438.91/1,808,715.65 = 888,505.95/x
  3. Step 3: Cross multiply
    1,208,438.91x = 1,808,715.65 × 888,505.95
  4. Step 4: Simplify right side
    1,208,438.91x = 1,607,054,612,440.59
  5. Step 5: Solve for x
    x = 1,607,054,612,440.59/1,208,438.91
  6. Step 6: Final answer
    x = 1,329,860.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.