Home / 1,453,038.70-2,179,640.04-442,193.62

Finding the Fourth Proportional to 1,453,038.70, 2,179,640.04 and 442,193.62

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Solution

The fourth proportional to 1,453,038.70, 2,179,640.04 and 442,193.62 is: 663,315.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,038.70 : 2,179,640.04 = 442,193.62 : x
  2. Step 2: Convert to fraction form
    1,453,038.70/2,179,640.04 = 442,193.62/x
  3. Step 3: Cross multiply
    1,453,038.70x = 2,179,640.04 × 442,193.62
  4. Step 4: Simplify right side
    1,453,038.70x = 963,822,919,584.55
  5. Step 5: Solve for x
    x = 963,822,919,584.55/1,453,038.70
  6. Step 6: Final answer
    x = 663,315.38

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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.