Home / 1,122,595.56-1,684,156.32-767,776.68

Finding the Fourth Proportional to 1,122,595.56, 1,684,156.32 and 767,776.68

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Solution

The fourth proportional to 1,122,595.56, 1,684,156.32 and 767,776.68 is: 1,151,844.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,595.56 : 1,684,156.32 = 767,776.68 : x
  2. Step 2: Convert to fraction form
    1,122,595.56/1,684,156.32 = 767,776.68/x
  3. Step 3: Cross multiply
    1,122,595.56x = 1,684,156.32 × 767,776.68
  4. Step 4: Simplify right side
    1,122,595.56x = 1,293,055,947,970.62
  5. Step 5: Solve for x
    x = 1,293,055,947,970.62/1,122,595.56
  6. Step 6: Final answer
    x = 1,151,844.88

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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.