Home / 1,284,821.32-1,773,030.36-711,850

Finding the Fourth Proportional to 1,284,821.32, 1,773,030.36 and 711,850

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Solution

The fourth proportional to 1,284,821.32, 1,773,030.36 and 711,850 is: 982,340.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,821.32 : 1,773,030.36 = 711,850 : x
  2. Step 2: Convert to fraction form
    1,284,821.32/1,773,030.36 = 711,850/x
  3. Step 3: Cross multiply
    1,284,821.32x = 1,773,030.36 × 711,850
  4. Step 4: Simplify right side
    1,284,821.32x = 1,262,131,661,766
  5. Step 5: Solve for x
    x = 1,262,131,661,766/1,284,821.32
  6. Step 6: Final answer
    x = 982,340.22

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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.