Home / 1,577,190.40-2,364,489.60-679,321.60

Finding the Fourth Proportional to 1,577,190.40, 2,364,489.60 and 679,321.60

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Solution

The fourth proportional to 1,577,190.40, 2,364,489.60 and 679,321.60 is: 1,018,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,190.40 : 2,364,489.60 = 679,321.60 : x
  2. Step 2: Convert to fraction form
    1,577,190.40/2,364,489.60 = 679,321.60/x
  3. Step 3: Cross multiply
    1,577,190.40x = 2,364,489.60 × 679,321.60
  4. Step 4: Simplify right side
    1,577,190.40x = 1,606,248,858,255.36
  5. Step 5: Solve for x
    x = 1,606,248,858,255.36/1,577,190.40
  6. Step 6: Final answer
    x = 1,018,424.19

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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.