Home / 1,375,704.12-1,898,475.35-763,858.02

Finding the Fourth Proportional to 1,375,704.12, 1,898,475.35 and 763,858.02

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Solution

The fourth proportional to 1,375,704.12, 1,898,475.35 and 763,858.02 is: 1,054,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,704.12 : 1,898,475.35 = 763,858.02 : x
  2. Step 2: Convert to fraction form
    1,375,704.12/1,898,475.35 = 763,858.02/x
  3. Step 3: Cross multiply
    1,375,704.12x = 1,898,475.35 × 763,858.02
  4. Step 4: Simplify right side
    1,375,704.12x = 1,450,165,618,050.52
  5. Step 5: Solve for x
    x = 1,450,165,618,050.52/1,375,704.12
  6. Step 6: Final answer
    x = 1,054,126.10

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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.