Home / 1,320,533.48-1,822,343.82-776,692.28

Finding the Fourth Proportional to 1,320,533.48, 1,822,343.82 and 776,692.28

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Solution

The fourth proportional to 1,320,533.48, 1,822,343.82 and 776,692.28 is: 1,071,839.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,533.48 : 1,822,343.82 = 776,692.28 : x
  2. Step 2: Convert to fraction form
    1,320,533.48/1,822,343.82 = 776,692.28/x
  3. Step 3: Cross multiply
    1,320,533.48x = 1,822,343.82 × 776,692.28
  4. Step 4: Simplify right side
    1,320,533.48x = 1,415,400,376,499.71
  5. Step 5: Solve for x
    x = 1,415,400,376,499.71/1,320,533.48
  6. Step 6: Final answer
    x = 1,071,839.83

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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.