Home / 908,806.10-1,366,161.60-778,898.30

Finding the Fourth Proportional to 908,806.10, 1,366,161.60 and 778,898.30

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Solution

The fourth proportional to 908,806.10, 1,366,161.60 and 778,898.30 is: 1,170,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,806.10 : 1,366,161.60 = 778,898.30 : x
  2. Step 2: Convert to fraction form
    908,806.10/1,366,161.60 = 778,898.30/x
  3. Step 3: Cross multiply
    908,806.10x = 1,366,161.60 × 778,898.30
  4. Step 4: Simplify right side
    908,806.10x = 1,064,100,947,765.28
  5. Step 5: Solve for x
    x = 1,064,100,947,765.28/908,806.10
  6. Step 6: Final answer
    x = 1,170,877.87

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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.