Home / 1,036,399.15-1,551,974.32-768,710.35

Finding the Fourth Proportional to 1,036,399.15, 1,551,974.32 and 768,710.35

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Solution

The fourth proportional to 1,036,399.15, 1,551,974.32 and 768,710.35 is: 1,151,118.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,399.15 : 1,551,974.32 = 768,710.35 : x
  2. Step 2: Convert to fraction form
    1,036,399.15/1,551,974.32 = 768,710.35/x
  3. Step 3: Cross multiply
    1,036,399.15x = 1,551,974.32 × 768,710.35
  4. Step 4: Simplify right side
    1,036,399.15x = 1,193,018,722,718.21
  5. Step 5: Solve for x
    x = 1,193,018,722,718.21/1,036,399.15
  6. Step 6: Final answer
    x = 1,151,118.97

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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.