Home / 1,372,778.64-2,057,943.24-698,482.80

Finding the Fourth Proportional to 1,372,778.64, 2,057,943.24 and 698,482.80

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Solution

The fourth proportional to 1,372,778.64, 2,057,943.24 and 698,482.80 is: 1,047,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,778.64 : 2,057,943.24 = 698,482.80 : x
  2. Step 2: Convert to fraction form
    1,372,778.64/2,057,943.24 = 698,482.80/x
  3. Step 3: Cross multiply
    1,372,778.64x = 2,057,943.24 × 698,482.80
  4. Step 4: Simplify right side
    1,372,778.64x = 1,437,437,956,516.27
  5. Step 5: Solve for x
    x = 1,437,437,956,516.27/1,372,778.64
  6. Step 6: Final answer
    x = 1,047,101.05

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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.