Home / 778,211.38-1,166,967.15-753,716.98

Finding the Fourth Proportional to 778,211.38, 1,166,967.15 and 753,716.98

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Solution

The fourth proportional to 778,211.38, 1,166,967.15 and 753,716.98 is: 1,130,236.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,211.38 : 1,166,967.15 = 753,716.98 : x
  2. Step 2: Convert to fraction form
    778,211.38/1,166,967.15 = 753,716.98/x
  3. Step 3: Cross multiply
    778,211.38x = 1,166,967.15 × 753,716.98
  4. Step 4: Simplify right side
    778,211.38x = 879,562,956,057.21
  5. Step 5: Solve for x
    x = 879,562,956,057.21/778,211.38
  6. Step 6: Final answer
    x = 1,130,236.56

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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.