Home / 1,062,907.72-1,467,222.18-778,685.32

Finding the Fourth Proportional to 1,062,907.72, 1,467,222.18 and 778,685.32

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Solution

The fourth proportional to 1,062,907.72, 1,467,222.18 and 778,685.32 is: 1,074,885.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,907.72 : 1,467,222.18 = 778,685.32 : x
  2. Step 2: Convert to fraction form
    1,062,907.72/1,467,222.18 = 778,685.32/x
  3. Step 3: Cross multiply
    1,062,907.72x = 1,467,222.18 × 778,685.32
  4. Step 4: Simplify right side
    1,062,907.72x = 1,142,504,372,744.40
  5. Step 5: Solve for x
    x = 1,142,504,372,744.40/1,062,907.72
  6. Step 6: Final answer
    x = 1,074,885.76

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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.