Home / 1,383,262.34-1,908,898.26-771,415.75

Finding the Fourth Proportional to 1,383,262.34, 1,908,898.26 and 771,415.75

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Solution

The fourth proportional to 1,383,262.34, 1,908,898.26 and 771,415.75 is: 1,064,551.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,262.34 : 1,908,898.26 = 771,415.75 : x
  2. Step 2: Convert to fraction form
    1,383,262.34/1,908,898.26 = 771,415.75/x
  3. Step 3: Cross multiply
    1,383,262.34x = 1,908,898.26 × 771,415.75
  4. Step 4: Simplify right side
    1,383,262.34x = 1,472,554,175,246.54
  5. Step 5: Solve for x
    x = 1,472,554,175,246.54/1,383,262.34
  6. Step 6: Final answer
    x = 1,064,551.63

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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.