Home / 1,775,128.80-2,662,693.20-653,635.20

Finding the Fourth Proportional to 1,775,128.80, 2,662,693.20 and 653,635.20

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Solution

The fourth proportional to 1,775,128.80, 2,662,693.20 and 653,635.20 is: 980,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,128.80 : 2,662,693.20 = 653,635.20 : x
  2. Step 2: Convert to fraction form
    1,775,128.80/2,662,693.20 = 653,635.20/x
  3. Step 3: Cross multiply
    1,775,128.80x = 2,662,693.20 × 653,635.20
  4. Step 4: Simplify right side
    1,775,128.80x = 1,740,430,002,320.64
  5. Step 5: Solve for x
    x = 1,740,430,002,320.64/1,775,128.80
  6. Step 6: Final answer
    x = 980,452.80

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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.