Home / 774,845.64-1,158,869.07-690,054.39

Finding the Fourth Proportional to 774,845.64, 1,158,869.07 and 690,054.39

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Solution

The fourth proportional to 774,845.64, 1,158,869.07 and 690,054.39 is: 1,032,054.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,845.64 : 1,158,869.07 = 690,054.39 : x
  2. Step 2: Convert to fraction form
    774,845.64/1,158,869.07 = 690,054.39/x
  3. Step 3: Cross multiply
    774,845.64x = 1,158,869.07 × 690,054.39
  4. Step 4: Simplify right side
    774,845.64x = 799,682,689,188.72
  5. Step 5: Solve for x
    x = 799,682,689,188.72/774,845.64
  6. Step 6: Final answer
    x = 1,032,054.19

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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.