Home / 1,542,355.05-2,314,005.54-690,144.03

Finding the Fourth Proportional to 1,542,355.05, 2,314,005.54 and 690,144.03

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Solution

The fourth proportional to 1,542,355.05, 2,314,005.54 and 690,144.03 is: 1,035,427.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,355.05 : 2,314,005.54 = 690,144.03 : x
  2. Step 2: Convert to fraction form
    1,542,355.05/2,314,005.54 = 690,144.03/x
  3. Step 3: Cross multiply
    1,542,355.05x = 2,314,005.54 × 690,144.03
  4. Step 4: Simplify right side
    1,542,355.05x = 1,596,997,106,229.89
  5. Step 5: Solve for x
    x = 1,596,997,106,229.89/1,542,355.05
  6. Step 6: Final answer
    x = 1,035,427.67

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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.