Home / 1,437,723.90-2,156,216.64-426,606.72

Finding the Fourth Proportional to 1,437,723.90, 2,156,216.64 and 426,606.72

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Solution

The fourth proportional to 1,437,723.90, 2,156,216.64 and 426,606.72 is: 639,800.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,723.90 : 2,156,216.64 = 426,606.72 : x
  2. Step 2: Convert to fraction form
    1,437,723.90/2,156,216.64 = 426,606.72/x
  3. Step 3: Cross multiply
    1,437,723.90x = 2,156,216.64 × 426,606.72
  4. Step 4: Simplify right side
    1,437,723.90x = 919,856,508,399.82
  5. Step 5: Solve for x
    x = 919,856,508,399.82/1,437,723.90
  6. Step 6: Final answer
    x = 639,800.53

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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.