Home / 1,351,551.34-1,865,350.32-770,775.70

Finding the Fourth Proportional to 1,351,551.34, 1,865,350.32 and 770,775.70

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Solution

The fourth proportional to 1,351,551.34, 1,865,350.32 and 770,775.70 is: 1,063,789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,551.34 : 1,865,350.32 = 770,775.70 : x
  2. Step 2: Convert to fraction form
    1,351,551.34/1,865,350.32 = 770,775.70/x
  3. Step 3: Cross multiply
    1,351,551.34x = 1,865,350.32 × 770,775.70
  4. Step 4: Simplify right side
    1,351,551.34x = 1,437,766,698,643.22
  5. Step 5: Solve for x
    x = 1,437,766,698,643.22/1,351,551.34
  6. Step 6: Final answer
    x = 1,063,789.93

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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.