Home / 1,221,669.02-1,685,846.13-677,799.02

Finding the Fourth Proportional to 1,221,669.02, 1,685,846.13 and 677,799.02

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Solution

The fourth proportional to 1,221,669.02, 1,685,846.13 and 677,799.02 is: 935,330.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,669.02 : 1,685,846.13 = 677,799.02 : x
  2. Step 2: Convert to fraction form
    1,221,669.02/1,685,846.13 = 677,799.02/x
  3. Step 3: Cross multiply
    1,221,669.02x = 1,685,846.13 × 677,799.02
  4. Step 4: Simplify right side
    1,221,669.02x = 1,142,664,854,784.79
  5. Step 5: Solve for x
    x = 1,142,664,854,784.79/1,221,669.02
  6. Step 6: Final answer
    x = 935,330.96

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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.