Home / 1,117,535.40-1,675,355.40-407,149.20

Finding the Fourth Proportional to 1,117,535.40, 1,675,355.40 and 407,149.20

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Solution

The fourth proportional to 1,117,535.40, 1,675,355.40 and 407,149.20 is: 610,378.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,535.40 : 1,675,355.40 = 407,149.20 : x
  2. Step 2: Convert to fraction form
    1,117,535.40/1,675,355.40 = 407,149.20/x
  3. Step 3: Cross multiply
    1,117,535.40x = 1,675,355.40 × 407,149.20
  4. Step 4: Simplify right side
    1,117,535.40x = 682,119,610,825.68
  5. Step 5: Solve for x
    x = 682,119,610,825.68/1,117,535.40
  6. Step 6: Final answer
    x = 610,378.53

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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.