Home / 1,445,692.78-1,995,067.74-801,123.67

Finding the Fourth Proportional to 1,445,692.78, 1,995,067.74 and 801,123.67

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Solution

The fourth proportional to 1,445,692.78, 1,995,067.74 and 801,123.67 is: 1,105,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,692.78 : 1,995,067.74 = 801,123.67 : x
  2. Step 2: Convert to fraction form
    1,445,692.78/1,995,067.74 = 801,123.67/x
  3. Step 3: Cross multiply
    1,445,692.78x = 1,995,067.74 × 801,123.67
  4. Step 4: Simplify right side
    1,445,692.78x = 1,598,295,989,767.41
  5. Step 5: Solve for x
    x = 1,598,295,989,767.41/1,445,692.78
  6. Step 6: Final answer
    x = 1,105,557.15

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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.