Home / 1,109,442.09-1,530,619.16-819,752.07

Finding the Fourth Proportional to 1,109,442.09, 1,530,619.16 and 819,752.07

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Solution

The fourth proportional to 1,109,442.09, 1,530,619.16 and 819,752.07 is: 1,130,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,442.09 : 1,530,619.16 = 819,752.07 : x
  2. Step 2: Convert to fraction form
    1,109,442.09/1,530,619.16 = 819,752.07/x
  3. Step 3: Cross multiply
    1,109,442.09x = 1,530,619.16 × 819,752.07
  4. Step 4: Simplify right side
    1,109,442.09x = 1,254,728,220,692.90
  5. Step 5: Solve for x
    x = 1,254,728,220,692.90/1,109,442.09
  6. Step 6: Final answer
    x = 1,130,954.23

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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.