Home / 1,331,671.88-1,997,706.72-490,159.64

Finding the Fourth Proportional to 1,331,671.88, 1,997,706.72 and 490,159.64

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Solution

The fourth proportional to 1,331,671.88, 1,997,706.72 and 490,159.64 is: 735,312.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,671.88 : 1,997,706.72 = 490,159.64 : x
  2. Step 2: Convert to fraction form
    1,331,671.88/1,997,706.72 = 490,159.64/x
  3. Step 3: Cross multiply
    1,331,671.88x = 1,997,706.72 × 490,159.64
  4. Step 4: Simplify right side
    1,331,671.88x = 979,195,206,700.78
  5. Step 5: Solve for x
    x = 979,195,206,700.78/1,331,671.88
  6. Step 6: Final answer
    x = 735,312.67

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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.