Home / 1,375,675.56-1,898,439.84-763,819.56

Finding the Fourth Proportional to 1,375,675.56, 1,898,439.84 and 763,819.56

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Solution

The fourth proportional to 1,375,675.56, 1,898,439.84 and 763,819.56 is: 1,054,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,675.56 : 1,898,439.84 = 763,819.56 : x
  2. Step 2: Convert to fraction form
    1,375,675.56/1,898,439.84 = 763,819.56/x
  3. Step 3: Cross multiply
    1,375,675.56x = 1,898,439.84 × 763,819.56
  4. Step 4: Simplify right side
    1,375,675.56x = 1,450,065,483,275.27
  5. Step 5: Solve for x
    x = 1,450,065,483,275.27/1,375,675.56
  6. Step 6: Final answer
    x = 1,054,075.19

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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.