Home / 1,419,338.10-1,958,615.73-774,785.46

Finding the Fourth Proportional to 1,419,338.10, 1,958,615.73 and 774,785.46

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Solution

The fourth proportional to 1,419,338.10, 1,958,615.73 and 774,785.46 is: 1,069,165.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,338.10 : 1,958,615.73 = 774,785.46 : x
  2. Step 2: Convert to fraction form
    1,419,338.10/1,958,615.73 = 774,785.46/x
  3. Step 3: Cross multiply
    1,419,338.10x = 1,958,615.73 × 774,785.46
  4. Step 4: Simplify right side
    1,419,338.10x = 1,517,506,989,331.29
  5. Step 5: Solve for x
    x = 1,517,506,989,331.29/1,419,338.10
  6. Step 6: Final answer
    x = 1,069,165.26

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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.