Home / 1,273,945.02-1,911,212.77-432,496.74

Finding the Fourth Proportional to 1,273,945.02, 1,911,212.77 and 432,496.74

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Solution

The fourth proportional to 1,273,945.02, 1,911,212.77 and 432,496.74 is: 648,845.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,945.02 : 1,911,212.77 = 432,496.74 : x
  2. Step 2: Convert to fraction form
    1,273,945.02/1,911,212.77 = 432,496.74/x
  3. Step 3: Cross multiply
    1,273,945.02x = 1,911,212.77 × 432,496.74
  4. Step 4: Simplify right side
    1,273,945.02x = 826,593,292,471.37
  5. Step 5: Solve for x
    x = 826,593,292,471.37/1,273,945.02
  6. Step 6: Final answer
    x = 648,845.34

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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.