Home / 1,403,488.90-1,936,813.30-758,907.55

Finding the Fourth Proportional to 1,403,488.90, 1,936,813.30 and 758,907.55

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Solution

The fourth proportional to 1,403,488.90, 1,936,813.30 and 758,907.55 is: 1,047,291.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,488.90 : 1,936,813.30 = 758,907.55 : x
  2. Step 2: Convert to fraction form
    1,403,488.90/1,936,813.30 = 758,907.55/x
  3. Step 3: Cross multiply
    1,403,488.90x = 1,936,813.30 × 758,907.55
  4. Step 4: Simplify right side
    1,403,488.90x = 1,469,862,236,310.42
  5. Step 5: Solve for x
    x = 1,469,862,236,310.42/1,403,488.90
  6. Step 6: Final answer
    x = 1,047,291.67

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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.