Home / 2,678,967.36-4,018,484.24-785,747.88

Finding the Fourth Proportional to 2,678,967.36, 4,018,484.24 and 785,747.88

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Solution

The fourth proportional to 2,678,967.36, 4,018,484.24 and 785,747.88 is: 1,178,631.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,967.36 : 4,018,484.24 = 785,747.88 : x
  2. Step 2: Convert to fraction form
    2,678,967.36/4,018,484.24 = 785,747.88/x
  3. Step 3: Cross multiply
    2,678,967.36x = 4,018,484.24 × 785,747.88
  4. Step 4: Simplify right side
    2,678,967.36x = 3,157,515,472,393.41
  5. Step 5: Solve for x
    x = 3,157,515,472,393.41/2,678,967.36
  6. Step 6: Final answer
    x = 1,178,631.56

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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.