Home / 1,370,083.32-1,890,084.15-886,803.75

Finding the Fourth Proportional to 1,370,083.32, 1,890,084.15 and 886,803.75

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Solution

The fourth proportional to 1,370,083.32, 1,890,084.15 and 886,803.75 is: 1,223,380.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,083.32 : 1,890,084.15 = 886,803.75 : x
  2. Step 2: Convert to fraction form
    1,370,083.32/1,890,084.15 = 886,803.75/x
  3. Step 3: Cross multiply
    1,370,083.32x = 1,890,084.15 × 886,803.75
  4. Step 4: Simplify right side
    1,370,083.32x = 1,676,133,712,035.56
  5. Step 5: Solve for x
    x = 1,676,133,712,035.56/1,370,083.32
  6. Step 6: Final answer
    x = 1,223,380.86

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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.