Home / 1,146,205.72-1,581,105.23-715,738.51

Finding the Fourth Proportional to 1,146,205.72, 1,581,105.23 and 715,738.51

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Solution

The fourth proportional to 1,146,205.72, 1,581,105.23 and 715,738.51 is: 987,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,205.72 : 1,581,105.23 = 715,738.51 : x
  2. Step 2: Convert to fraction form
    1,146,205.72/1,581,105.23 = 715,738.51/x
  3. Step 3: Cross multiply
    1,146,205.72x = 1,581,105.23 × 715,738.51
  4. Step 4: Simplify right side
    1,146,205.72x = 1,131,657,901,473.41
  5. Step 5: Solve for x
    x = 1,131,657,901,473.41/1,146,205.72
  6. Step 6: Final answer
    x = 987,307.85

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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.