Home / 1,173,921.72-1,760,599.34-490,439.35

Finding the Fourth Proportional to 1,173,921.72, 1,760,599.34 and 490,439.35

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Solution

The fourth proportional to 1,173,921.72, 1,760,599.34 and 490,439.35 is: 735,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,921.72 : 1,760,599.34 = 490,439.35 : x
  2. Step 2: Convert to fraction form
    1,173,921.72/1,760,599.34 = 490,439.35/x
  3. Step 3: Cross multiply
    1,173,921.72x = 1,760,599.34 × 490,439.35
  4. Step 4: Simplify right side
    1,173,921.72x = 863,467,200,266.45
  5. Step 5: Solve for x
    x = 863,467,200,266.45/1,173,921.72
  6. Step 6: Final answer
    x = 735,540.70

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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.