Home / 1,038,997.13-1,557,437.63-660,197.79

Finding the Fourth Proportional to 1,038,997.13, 1,557,437.63 and 660,197.79

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Solution

The fourth proportional to 1,038,997.13, 1,557,437.63 and 660,197.79 is: 989,624.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,997.13 : 1,557,437.63 = 660,197.79 : x
  2. Step 2: Convert to fraction form
    1,038,997.13/1,557,437.63 = 660,197.79/x
  3. Step 3: Cross multiply
    1,038,997.13x = 1,557,437.63 × 660,197.79
  4. Step 4: Simplify right side
    1,038,997.13x = 1,028,216,878,087.85
  5. Step 5: Solve for x
    x = 1,028,216,878,087.85/1,038,997.13
  6. Step 6: Final answer
    x = 989,624.37

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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.