Home / 1,155,712.20-1,735,536.60-821,101.20

Finding the Fourth Proportional to 1,155,712.20, 1,735,536.60 and 821,101.20

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Solution

The fourth proportional to 1,155,712.20, 1,735,536.60 and 821,101.20 is: 1,233,050.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,712.20 : 1,735,536.60 = 821,101.20 : x
  2. Step 2: Convert to fraction form
    1,155,712.20/1,735,536.60 = 821,101.20/x
  3. Step 3: Cross multiply
    1,155,712.20x = 1,735,536.60 × 821,101.20
  4. Step 4: Simplify right side
    1,155,712.20x = 1,425,051,184,903.92
  5. Step 5: Solve for x
    x = 1,425,051,184,903.92/1,155,712.20
  6. Step 6: Final answer
    x = 1,233,050.22

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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.