Home / 1,105,438.28-1,658,062.13-673,043.67

Finding the Fourth Proportional to 1,105,438.28, 1,658,062.13 and 673,043.67

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Solution

The fourth proportional to 1,105,438.28, 1,658,062.13 and 673,043.67 is: 1,009,507.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,438.28 : 1,658,062.13 = 673,043.67 : x
  2. Step 2: Convert to fraction form
    1,105,438.28/1,658,062.13 = 673,043.67/x
  3. Step 3: Cross multiply
    1,105,438.28x = 1,658,062.13 × 673,043.67
  4. Step 4: Simplify right side
    1,105,438.28x = 1,115,948,217,698.00
  5. Step 5: Solve for x
    x = 1,115,948,217,698.00/1,105,438.28
  6. Step 6: Final answer
    x = 1,009,507.49

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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.