Home / 1,028,474.31-1,418,823.47-666,015.04

Finding the Fourth Proportional to 1,028,474.31, 1,418,823.47 and 666,015.04

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Solution

The fourth proportional to 1,028,474.31, 1,418,823.47 and 666,015.04 is: 918,795.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,474.31 : 1,418,823.47 = 666,015.04 : x
  2. Step 2: Convert to fraction form
    1,028,474.31/1,418,823.47 = 666,015.04/x
  3. Step 3: Cross multiply
    1,028,474.31x = 1,418,823.47 × 666,015.04
  4. Step 4: Simplify right side
    1,028,474.31x = 944,957,773,563.56
  5. Step 5: Solve for x
    x = 944,957,773,563.56/1,028,474.31
  6. Step 6: Final answer
    x = 918,795.70

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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.