Home / 1,208,415.02-1,667,579.46-664,550.80

Finding the Fourth Proportional to 1,208,415.02, 1,667,579.46 and 664,550.80

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Solution

The fourth proportional to 1,208,415.02, 1,667,579.46 and 664,550.80 is: 917,061.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,415.02 : 1,667,579.46 = 664,550.80 : x
  2. Step 2: Convert to fraction form
    1,208,415.02/1,667,579.46 = 664,550.80/x
  3. Step 3: Cross multiply
    1,208,415.02x = 1,667,579.46 × 664,550.80
  4. Step 4: Simplify right side
    1,208,415.02x = 1,108,191,264,206.57
  5. Step 5: Solve for x
    x = 1,108,191,264,206.57/1,208,415.02
  6. Step 6: Final answer
    x = 917,061.81

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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.