Home / 1,049,861.06-1,449,045.28-642,302.68

Finding the Fourth Proportional to 1,049,861.06, 1,449,045.28 and 642,302.68

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Solution

The fourth proportional to 1,049,861.06, 1,449,045.28 and 642,302.68 is: 886,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,861.06 : 1,449,045.28 = 642,302.68 : x
  2. Step 2: Convert to fraction form
    1,049,861.06/1,449,045.28 = 642,302.68/x
  3. Step 3: Cross multiply
    1,049,861.06x = 1,449,045.28 × 642,302.68
  4. Step 4: Simplify right side
    1,049,861.06x = 930,725,666,785.35
  5. Step 5: Solve for x
    x = 930,725,666,785.35/1,049,861.06
  6. Step 6: Final answer
    x = 886,522.70

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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.