Home / 1,320,535.48-1,822,346.58-776,694.28

Finding the Fourth Proportional to 1,320,535.48, 1,822,346.58 and 776,694.28

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Solution

The fourth proportional to 1,320,535.48, 1,822,346.58 and 776,694.28 is: 1,071,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,535.48 : 1,822,346.58 = 776,694.28 : x
  2. Step 2: Convert to fraction form
    1,320,535.48/1,822,346.58 = 776,694.28/x
  3. Step 3: Cross multiply
    1,320,535.48x = 1,822,346.58 × 776,694.28
  4. Step 4: Simplify right side
    1,320,535.48x = 1,415,406,164,863.56
  5. Step 5: Solve for x
    x = 1,415,406,164,863.56/1,320,535.48
  6. Step 6: Final answer
    x = 1,071,842.59

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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.