Home / 1,419,394.59-1,958,689.76-774,689.67

Finding the Fourth Proportional to 1,419,394.59, 1,958,689.76 and 774,689.67

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Solution

The fourth proportional to 1,419,394.59, 1,958,689.76 and 774,689.67 is: 1,069,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,394.59 : 1,958,689.76 = 774,689.67 : x
  2. Step 2: Convert to fraction form
    1,419,394.59/1,958,689.76 = 774,689.67/x
  3. Step 3: Cross multiply
    1,419,394.59x = 1,958,689.76 × 774,689.67
  4. Step 4: Simplify right side
    1,419,394.59x = 1,517,376,719,933.33
  5. Step 5: Solve for x
    x = 1,517,376,719,933.33/1,419,394.59
  6. Step 6: Final answer
    x = 1,069,030.93

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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.