Home / 1,208,417.02-1,667,582.22-664,552.80

Finding the Fourth Proportional to 1,208,417.02, 1,667,582.22 and 664,552.80

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Solution

The fourth proportional to 1,208,417.02, 1,667,582.22 and 664,552.80 is: 917,064.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,417.02 : 1,667,582.22 = 664,552.80 : x
  2. Step 2: Convert to fraction form
    1,208,417.02/1,667,582.22 = 664,552.80/x
  3. Step 3: Cross multiply
    1,208,417.02x = 1,667,582.22 × 664,552.80
  4. Step 4: Simplify right side
    1,208,417.02x = 1,108,196,433,531.22
  5. Step 5: Solve for x
    x = 1,108,196,433,531.22/1,208,417.02
  6. Step 6: Final answer
    x = 917,064.57

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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.