Home / 1,437,768.48-2,156,970.24-426,972.72

Finding the Fourth Proportional to 1,437,768.48, 2,156,970.24 and 426,972.72

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Solution

The fourth proportional to 1,437,768.48, 2,156,970.24 and 426,972.72 is: 640,553.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,768.48 : 2,156,970.24 = 426,972.72 : x
  2. Step 2: Convert to fraction form
    1,437,768.48/2,156,970.24 = 426,972.72/x
  3. Step 3: Cross multiply
    1,437,768.48x = 2,156,970.24 × 426,972.72
  4. Step 4: Simplify right side
    1,437,768.48x = 920,967,450,331.85
  5. Step 5: Solve for x
    x = 920,967,450,331.85/1,437,768.48
  6. Step 6: Final answer
    x = 640,553.37

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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.