Home / 1,018,051-1,526,402.52-485,654.20

Finding the Fourth Proportional to 1,018,051, 1,526,402.52 and 485,654.20

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Solution

The fourth proportional to 1,018,051, 1,526,402.52 and 485,654.20 is: 728,159.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,051 : 1,526,402.52 = 485,654.20 : x
  2. Step 2: Convert to fraction form
    1,018,051/1,526,402.52 = 485,654.20/x
  3. Step 3: Cross multiply
    1,018,051x = 1,526,402.52 × 485,654.20
  4. Step 4: Simplify right side
    1,018,051x = 741,303,794,728.58
  5. Step 5: Solve for x
    x = 741,303,794,728.58/1,018,051
  6. Step 6: Final answer
    x = 728,159.78

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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.