Home / 908,124.90-1,362,187.35-810,147.30

Finding the Fourth Proportional to 908,124.90, 1,362,187.35 and 810,147.30

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Solution

The fourth proportional to 908,124.90, 1,362,187.35 and 810,147.30 is: 1,215,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,124.90 : 1,362,187.35 = 810,147.30 : x
  2. Step 2: Convert to fraction form
    908,124.90/1,362,187.35 = 810,147.30/x
  3. Step 3: Cross multiply
    908,124.90x = 1,362,187.35 × 810,147.30
  4. Step 4: Simplify right side
    908,124.90x = 1,103,572,403,696.66
  5. Step 5: Solve for x
    x = 1,103,572,403,696.66/908,124.90
  6. Step 6: Final answer
    x = 1,215,220.95

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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.