Home / 1,350,338.95-1,863,696.90-777,710.67

Finding the Fourth Proportional to 1,350,338.95, 1,863,696.90 and 777,710.67

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Solution

The fourth proportional to 1,350,338.95, 1,863,696.90 and 777,710.67 is: 1,073,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,338.95 : 1,863,696.90 = 777,710.67 : x
  2. Step 2: Convert to fraction form
    1,350,338.95/1,863,696.90 = 777,710.67/x
  3. Step 3: Cross multiply
    1,350,338.95x = 1,863,696.90 × 777,710.67
  4. Step 4: Simplify right side
    1,350,338.95x = 1,449,416,964,775.92
  5. Step 5: Solve for x
    x = 1,449,416,964,775.92/1,350,338.95
  6. Step 6: Final answer
    x = 1,073,372.70

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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.