Home / 1,775,128.30-2,662,692.45-653,634.70

Finding the Fourth Proportional to 1,775,128.30, 2,662,692.45 and 653,634.70

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Solution

The fourth proportional to 1,775,128.30, 2,662,692.45 and 653,634.70 is: 980,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,128.30 : 2,662,692.45 = 653,634.70 : x
  2. Step 2: Convert to fraction form
    1,775,128.30/2,662,692.45 = 653,634.70/x
  3. Step 3: Cross multiply
    1,775,128.30x = 2,662,692.45 × 653,634.70
  4. Step 4: Simplify right side
    1,775,128.30x = 1,740,428,180,748.02
  5. Step 5: Solve for x
    x = 1,740,428,180,748.02/1,775,128.30
  6. Step 6: Final answer
    x = 980,452.05

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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.