Home / 1,293,483.74-1,785,062.79-720,524.30

Finding the Fourth Proportional to 1,293,483.74, 1,785,062.79 and 720,524.30

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Solution

The fourth proportional to 1,293,483.74, 1,785,062.79 and 720,524.30 is: 994,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,483.74 : 1,785,062.79 = 720,524.30 : x
  2. Step 2: Convert to fraction form
    1,293,483.74/1,785,062.79 = 720,524.30/x
  3. Step 3: Cross multiply
    1,293,483.74x = 1,785,062.79 × 720,524.30
  4. Step 4: Simplify right side
    1,293,483.74x = 1,286,181,117,220.80
  5. Step 5: Solve for x
    x = 1,286,181,117,220.80/1,293,483.74
  6. Step 6: Final answer
    x = 994,354.30

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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.