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Finding the Fourth Proportional to 1,296,748.86, 1,945,216.70 and 498,030.41

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Solution

The fourth proportional to 1,296,748.86, 1,945,216.70 and 498,030.41 is: 747,081.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,748.86 : 1,945,216.70 = 498,030.41 : x
  2. Step 2: Convert to fraction form
    1,296,748.86/1,945,216.70 = 498,030.41/x
  3. Step 3: Cross multiply
    1,296,748.86x = 1,945,216.70 × 498,030.41
  4. Step 4: Simplify right side
    1,296,748.86x = 968,777,058,423.61
  5. Step 5: Solve for x
    x = 968,777,058,423.61/1,296,748.86
  6. Step 6: Final answer
    x = 747,081.48

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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.