Home / 1,293,524.70-1,785,117.88-720,564.72

Finding the Fourth Proportional to 1,293,524.70, 1,785,117.88 and 720,564.72

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Solution

The fourth proportional to 1,293,524.70, 1,785,117.88 and 720,564.72 is: 994,409.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,524.70 : 1,785,117.88 = 720,564.72 : x
  2. Step 2: Convert to fraction form
    1,293,524.70/1,785,117.88 = 720,564.72/x
  3. Step 3: Cross multiply
    1,293,524.70x = 1,785,117.88 × 720,564.72
  4. Step 4: Simplify right side
    1,293,524.70x = 1,286,292,965,369.19
  5. Step 5: Solve for x
    x = 1,286,292,965,369.19/1,293,524.70
  6. Step 6: Final answer
    x = 994,409.28

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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.