Home / 1,088,811.70-1,633,217.55-915,601.30

Finding the Fourth Proportional to 1,088,811.70, 1,633,217.55 and 915,601.30

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Solution

The fourth proportional to 1,088,811.70, 1,633,217.55 and 915,601.30 is: 1,373,401.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,811.70 : 1,633,217.55 = 915,601.30 : x
  2. Step 2: Convert to fraction form
    1,088,811.70/1,633,217.55 = 915,601.30/x
  3. Step 3: Cross multiply
    1,088,811.70x = 1,633,217.55 × 915,601.30
  4. Step 4: Simplify right side
    1,088,811.70x = 1,495,376,111,962.82
  5. Step 5: Solve for x
    x = 1,495,376,111,962.82/1,088,811.70
  6. Step 6: Final answer
    x = 1,373,401.95

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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.