Home / 1,379,903.52-1,903,637.52-997,324.32

Finding the Fourth Proportional to 1,379,903.52, 1,903,637.52 and 997,324.32

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Solution

The fourth proportional to 1,379,903.52, 1,903,637.52 and 997,324.32 is: 1,375,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,903.52 : 1,903,637.52 = 997,324.32 : x
  2. Step 2: Convert to fraction form
    1,379,903.52/1,903,637.52 = 997,324.32/x
  3. Step 3: Cross multiply
    1,379,903.52x = 1,903,637.52 × 997,324.32
  4. Step 4: Simplify right side
    1,379,903.52x = 1,898,543,995,160.49
  5. Step 5: Solve for x
    x = 1,898,543,995,160.49/1,379,903.52
  6. Step 6: Final answer
    x = 1,375,852.71

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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.