Home / 1,091,801.03-1,636,459.20-664,394.20

Finding the Fourth Proportional to 1,091,801.03, 1,636,459.20 and 664,394.20

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Solution

The fourth proportional to 1,091,801.03, 1,636,459.20 and 664,394.20 is: 995,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,801.03 : 1,636,459.20 = 664,394.20 : x
  2. Step 2: Convert to fraction form
    1,091,801.03/1,636,459.20 = 664,394.20/x
  3. Step 3: Cross multiply
    1,091,801.03x = 1,636,459.20 × 664,394.20
  4. Step 4: Simplify right side
    1,091,801.03x = 1,087,253,996,925.49
  5. Step 5: Solve for x
    x = 1,087,253,996,925.49/1,091,801.03
  6. Step 6: Final answer
    x = 995,835.30

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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.