Home / 1,582,108.12-2,183,699.82-903,438.28

Finding the Fourth Proportional to 1,582,108.12, 2,183,699.82 and 903,438.28

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Solution

The fourth proportional to 1,582,108.12, 2,183,699.82 and 903,438.28 is: 1,246,967.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582,108.12 : 2,183,699.82 = 903,438.28 : x
  2. Step 2: Convert to fraction form
    1,582,108.12/2,183,699.82 = 903,438.28/x
  3. Step 3: Cross multiply
    1,582,108.12x = 2,183,699.82 × 903,438.28
  4. Step 4: Simplify right side
    1,582,108.12x = 1,972,838,009,417.11
  5. Step 5: Solve for x
    x = 1,972,838,009,417.11/1,582,108.12
  6. Step 6: Final answer
    x = 1,246,967.88

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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.