Home / 1,109,947.51-1,664,247.07-435,220.44

Finding the Fourth Proportional to 1,109,947.51, 1,664,247.07 and 435,220.44

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Solution

The fourth proportional to 1,109,947.51, 1,664,247.07 and 435,220.44 is: 652,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,947.51 : 1,664,247.07 = 435,220.44 : x
  2. Step 2: Convert to fraction form
    1,109,947.51/1,664,247.07 = 435,220.44/x
  3. Step 3: Cross multiply
    1,109,947.51x = 1,664,247.07 × 435,220.44
  4. Step 4: Simplify right side
    1,109,947.51x = 724,314,336,377.21
  5. Step 5: Solve for x
    x = 724,314,336,377.21/1,109,947.51
  6. Step 6: Final answer
    x = 652,566.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.