Home / 908,137.12-1,360,106.10-876,644.32

Finding the Fourth Proportional to 908,137.12, 1,360,106.10 and 876,644.32

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Solution

The fourth proportional to 908,137.12, 1,360,106.10 and 876,644.32 is: 1,312,939.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,137.12 : 1,360,106.10 = 876,644.32 : x
  2. Step 2: Convert to fraction form
    908,137.12/1,360,106.10 = 876,644.32/x
  3. Step 3: Cross multiply
    908,137.12x = 1,360,106.10 × 876,644.32
  4. Step 4: Simplify right side
    908,137.12x = 1,192,329,287,162.35
  5. Step 5: Solve for x
    x = 1,192,329,287,162.35/908,137.12
  6. Step 6: Final answer
    x = 1,312,939.71

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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.