Home / 1,664,930.70-2,496,302.55-653,443.20

Finding the Fourth Proportional to 1,664,930.70, 2,496,302.55 and 653,443.20

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Solution

The fourth proportional to 1,664,930.70, 2,496,302.55 and 653,443.20 is: 979,735.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,930.70 : 2,496,302.55 = 653,443.20 : x
  2. Step 2: Convert to fraction form
    1,664,930.70/2,496,302.55 = 653,443.20/x
  3. Step 3: Cross multiply
    1,664,930.70x = 2,496,302.55 × 653,443.20
  4. Step 4: Simplify right side
    1,664,930.70x = 1,631,191,926,440.16
  5. Step 5: Solve for x
    x = 1,631,191,926,440.16/1,664,930.70
  6. Step 6: Final answer
    x = 979,735.63

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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.