Home / 1,200,507.22-1,800,763.91-490,535.26

Finding the Fourth Proportional to 1,200,507.22, 1,800,763.91 and 490,535.26

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Solution

The fourth proportional to 1,200,507.22, 1,800,763.91 and 490,535.26 is: 735,804.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,507.22 : 1,800,763.91 = 490,535.26 : x
  2. Step 2: Convert to fraction form
    1,200,507.22/1,800,763.91 = 490,535.26/x
  3. Step 3: Cross multiply
    1,200,507.22x = 1,800,763.91 × 490,535.26
  4. Step 4: Simplify right side
    1,200,507.22x = 883,338,190,266.71
  5. Step 5: Solve for x
    x = 883,338,190,266.71/1,200,507.22
  6. Step 6: Final answer
    x = 735,804.15

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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.