Home / 1,091,140.74-1,635,661.35-558,912.42

Finding the Fourth Proportional to 1,091,140.74, 1,635,661.35 and 558,912.42

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Solution

The fourth proportional to 1,091,140.74, 1,635,661.35 and 558,912.42 is: 837,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,140.74 : 1,635,661.35 = 558,912.42 : x
  2. Step 2: Convert to fraction form
    1,091,140.74/1,635,661.35 = 558,912.42/x
  3. Step 3: Cross multiply
    1,091,140.74x = 1,635,661.35 × 558,912.42
  4. Step 4: Simplify right side
    1,091,140.74x = 914,191,443,428.97
  5. Step 5: Solve for x
    x = 914,191,443,428.97/1,091,140.74
  6. Step 6: Final answer
    x = 837,830.91

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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.