Home / 1,146,355.40-1,720,845.30-673,307.30

Finding the Fourth Proportional to 1,146,355.40, 1,720,845.30 and 673,307.30

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Solution

The fourth proportional to 1,146,355.40, 1,720,845.30 and 673,307.30 is: 1,010,731.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,355.40 : 1,720,845.30 = 673,307.30 : x
  2. Step 2: Convert to fraction form
    1,146,355.40/1,720,845.30 = 673,307.30/x
  3. Step 3: Cross multiply
    1,146,355.40x = 1,720,845.30 × 673,307.30
  4. Step 4: Simplify right side
    1,146,355.40x = 1,158,657,702,660.69
  5. Step 5: Solve for x
    x = 1,158,657,702,660.69/1,146,355.40
  6. Step 6: Final answer
    x = 1,010,731.67

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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.