Home / 1,086,301.80-1,630,230.30-612,484.20

Finding the Fourth Proportional to 1,086,301.80, 1,630,230.30 and 612,484.20

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Solution

The fourth proportional to 1,086,301.80, 1,630,230.30 and 612,484.20 is: 919,164.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,301.80 : 1,630,230.30 = 612,484.20 : x
  2. Step 2: Convert to fraction form
    1,086,301.80/1,630,230.30 = 612,484.20/x
  3. Step 3: Cross multiply
    1,086,301.80x = 1,630,230.30 × 612,484.20
  4. Step 4: Simplify right side
    1,086,301.80x = 998,490,301,111.26
  5. Step 5: Solve for x
    x = 998,490,301,111.26/1,086,301.80
  6. Step 6: Final answer
    x = 919,164.73

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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.