Home / 1,437,714.09-2,156,201.78-426,596.85

Finding the Fourth Proportional to 1,437,714.09, 2,156,201.78 and 426,596.85

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Solution

The fourth proportional to 1,437,714.09, 2,156,201.78 and 426,596.85 is: 639,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,714.09 : 2,156,201.78 = 426,596.85 : x
  2. Step 2: Convert to fraction form
    1,437,714.09/2,156,201.78 = 426,596.85/x
  3. Step 3: Cross multiply
    1,437,714.09x = 2,156,201.78 × 426,596.85
  4. Step 4: Simplify right side
    1,437,714.09x = 919,828,885,179.41
  5. Step 5: Solve for x
    x = 919,828,885,179.41/1,437,714.09
  6. Step 6: Final answer
    x = 639,785.68

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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.