Home / 1,437,976.42-1,985,126.55-894,287.36

Finding the Fourth Proportional to 1,437,976.42, 1,985,126.55 and 894,287.36

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Solution

The fourth proportional to 1,437,976.42, 1,985,126.55 and 894,287.36 is: 1,234,563.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,976.42 : 1,985,126.55 = 894,287.36 : x
  2. Step 2: Convert to fraction form
    1,437,976.42/1,985,126.55 = 894,287.36/x
  3. Step 3: Cross multiply
    1,437,976.42x = 1,985,126.55 × 894,287.36
  4. Step 4: Simplify right side
    1,437,976.42x = 1,775,273,581,665.41
  5. Step 5: Solve for x
    x = 1,775,273,581,665.41/1,437,976.42
  6. Step 6: Final answer
    x = 1,234,563.76

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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.