Home / 1,091,421.54-1,506,207.15-607,986.66

Finding the Fourth Proportional to 1,091,421.54, 1,506,207.15 and 607,986.66

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Solution

The fourth proportional to 1,091,421.54, 1,506,207.15 and 607,986.66 is: 839,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,421.54 : 1,506,207.15 = 607,986.66 : x
  2. Step 2: Convert to fraction form
    1,091,421.54/1,506,207.15 = 607,986.66/x
  3. Step 3: Cross multiply
    1,091,421.54x = 1,506,207.15 × 607,986.66
  4. Step 4: Simplify right side
    1,091,421.54x = 915,753,854,396.62
  5. Step 5: Solve for x
    x = 915,753,854,396.62/1,091,421.54
  6. Step 6: Final answer
    x = 839,046.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.