Home / 1,997,135.04-2,995,080.48-667,128

Finding the Fourth Proportional to 1,997,135.04, 2,995,080.48 and 667,128

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Solution

The fourth proportional to 1,997,135.04, 2,995,080.48 and 667,128 is: 1,000,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,135.04 : 2,995,080.48 = 667,128 : x
  2. Step 2: Convert to fraction form
    1,997,135.04/2,995,080.48 = 667,128/x
  3. Step 3: Cross multiply
    1,997,135.04x = 2,995,080.48 × 667,128
  4. Step 4: Simplify right side
    1,997,135.04x = 1,998,102,050,461.44
  5. Step 5: Solve for x
    x = 1,998,102,050,461.44/1,997,135.04
  6. Step 6: Final answer
    x = 1,000,484.20

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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.