Home / 1,383,115.50-1,908,733.14-771,262.29

Finding the Fourth Proportional to 1,383,115.50, 1,908,733.14 and 771,262.29

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Solution

The fourth proportional to 1,383,115.50, 1,908,733.14 and 771,262.29 is: 1,064,360.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,115.50 : 1,908,733.14 = 771,262.29 : x
  2. Step 2: Convert to fraction form
    1,383,115.50/1,908,733.14 = 771,262.29/x
  3. Step 3: Cross multiply
    1,383,115.50x = 1,908,733.14 × 771,262.29
  4. Step 4: Simplify right side
    1,383,115.50x = 1,472,133,892,555.29
  5. Step 5: Solve for x
    x = 1,472,133,892,555.29/1,383,115.50
  6. Step 6: Final answer
    x = 1,064,360.78

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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.