Home / 1,172,123.93-1,758,176.02-916,171.80

Finding the Fourth Proportional to 1,172,123.93, 1,758,176.02 and 916,171.80

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Solution

The fourth proportional to 1,172,123.93, 1,758,176.02 and 916,171.80 is: 1,374,249.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,123.93 : 1,758,176.02 = 916,171.80 : x
  2. Step 2: Convert to fraction form
    1,172,123.93/1,758,176.02 = 916,171.80/x
  3. Step 3: Cross multiply
    1,172,123.93x = 1,758,176.02 × 916,171.80
  4. Step 4: Simplify right side
    1,172,123.93x = 1,610,791,283,912.51
  5. Step 5: Solve for x
    x = 1,610,791,283,912.51/1,172,123.93
  6. Step 6: Final answer
    x = 1,374,249.97

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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.