Home / 1,437,814.80-2,157,028.38-426,939.66

Finding the Fourth Proportional to 1,437,814.80, 2,157,028.38 and 426,939.66

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Solution

The fourth proportional to 1,437,814.80, 2,157,028.38 and 426,939.66 is: 640,500.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,814.80 : 2,157,028.38 = 426,939.66 : x
  2. Step 2: Convert to fraction form
    1,437,814.80/2,157,028.38 = 426,939.66/x
  3. Step 3: Cross multiply
    1,437,814.80x = 2,157,028.38 × 426,939.66
  4. Step 4: Simplify right side
    1,437,814.80x = 920,920,963,167.55
  5. Step 5: Solve for x
    x = 920,920,963,167.55/1,437,814.80
  6. Step 6: Final answer
    x = 640,500.41

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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.