Home / 1,100,309.60-1,650,464.40-960,341.60

Finding the Fourth Proportional to 1,100,309.60, 1,650,464.40 and 960,341.60

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Solution

The fourth proportional to 1,100,309.60, 1,650,464.40 and 960,341.60 is: 1,440,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,309.60 : 1,650,464.40 = 960,341.60 : x
  2. Step 2: Convert to fraction form
    1,100,309.60/1,650,464.40 = 960,341.60/x
  3. Step 3: Cross multiply
    1,100,309.60x = 1,650,464.40 × 960,341.60
  4. Step 4: Simplify right side
    1,100,309.60x = 1,585,009,622,639.04
  5. Step 5: Solve for x
    x = 1,585,009,622,639.04/1,100,309.60
  6. Step 6: Final answer
    x = 1,440,512.40

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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.