Home / 920,310.60-1,373,073.60-819,271.20

Finding the Fourth Proportional to 920,310.60, 1,373,073.60 and 819,271.20

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Solution

The fourth proportional to 920,310.60, 1,373,073.60 and 819,271.20 is: 1,222,326.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,310.60 : 1,373,073.60 = 819,271.20 : x
  2. Step 2: Convert to fraction form
    920,310.60/1,373,073.60 = 819,271.20/x
  3. Step 3: Cross multiply
    920,310.60x = 1,373,073.60 × 819,271.20
  4. Step 4: Simplify right side
    920,310.60x = 1,124,919,655,960.32
  5. Step 5: Solve for x
    x = 1,124,919,655,960.32/920,310.60
  6. Step 6: Final answer
    x = 1,222,326.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.