Home / 1,381,787.48-1,906,870.59-801,123.45

Finding the Fourth Proportional to 1,381,787.48, 1,906,870.59 and 801,123.45

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Solution

The fourth proportional to 1,381,787.48, 1,906,870.59 and 801,123.45 is: 1,105,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,787.48 : 1,906,870.59 = 801,123.45 : x
  2. Step 2: Convert to fraction form
    1,381,787.48/1,906,870.59 = 801,123.45/x
  3. Step 3: Cross multiply
    1,381,787.48x = 1,906,870.59 × 801,123.45
  4. Step 4: Simplify right side
    1,381,787.48x = 1,527,638,745,764.34
  5. Step 5: Solve for x
    x = 1,527,638,745,764.34/1,381,787.48
  6. Step 6: Final answer
    x = 1,105,552.60

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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.