Home / 993,123.72-1,370,975.22-635,635.08

Finding the Fourth Proportional to 993,123.72, 1,370,975.22 and 635,635.08

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Solution

The fourth proportional to 993,123.72, 1,370,975.22 and 635,635.08 is: 877,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,123.72 : 1,370,975.22 = 635,635.08 : x
  2. Step 2: Convert to fraction form
    993,123.72/1,370,975.22 = 635,635.08/x
  3. Step 3: Cross multiply
    993,123.72x = 1,370,975.22 × 635,635.08
  4. Step 4: Simplify right side
    993,123.72x = 871,439,943,642.72
  5. Step 5: Solve for x
    x = 871,439,943,642.72/993,123.72
  6. Step 6: Final answer
    x = 877,473.70

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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.