Home / 1,269,813.16-1,752,420.90-839,346.76

Finding the Fourth Proportional to 1,269,813.16, 1,752,420.90 and 839,346.76

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Solution

The fourth proportional to 1,269,813.16, 1,752,420.90 and 839,346.76 is: 1,158,350.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,813.16 : 1,752,420.90 = 839,346.76 : x
  2. Step 2: Convert to fraction form
    1,269,813.16/1,752,420.90 = 839,346.76/x
  3. Step 3: Cross multiply
    1,269,813.16x = 1,752,420.90 × 839,346.76
  4. Step 4: Simplify right side
    1,269,813.16x = 1,470,888,804,571.28
  5. Step 5: Solve for x
    x = 1,470,888,804,571.28/1,269,813.16
  6. Step 6: Final answer
    x = 1,158,350.58

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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.