Home / 1,102,290.17-1,653,010.16-428,282.73

Finding the Fourth Proportional to 1,102,290.17, 1,653,010.16 and 428,282.73

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Solution

The fourth proportional to 1,102,290.17, 1,653,010.16 and 428,282.73 is: 642,258.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,290.17 : 1,653,010.16 = 428,282.73 : x
  2. Step 2: Convert to fraction form
    1,102,290.17/1,653,010.16 = 428,282.73/x
  3. Step 3: Cross multiply
    1,102,290.17x = 1,653,010.16 × 428,282.73
  4. Step 4: Simplify right side
    1,102,290.17x = 707,955,701,901.12
  5. Step 5: Solve for x
    x = 707,955,701,901.12/1,102,290.17
  6. Step 6: Final answer
    x = 642,258.93

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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.