Home / 1,275,942.08-1,914,209.60-434,501.12

Finding the Fourth Proportional to 1,275,942.08, 1,914,209.60 and 434,501.12

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Solution

The fourth proportional to 1,275,942.08, 1,914,209.60 and 434,501.12 is: 651,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,942.08 : 1,914,209.60 = 434,501.12 : x
  2. Step 2: Convert to fraction form
    1,275,942.08/1,914,209.60 = 434,501.12/x
  3. Step 3: Cross multiply
    1,275,942.08x = 1,914,209.60 × 434,501.12
  4. Step 4: Simplify right side
    1,275,942.08x = 831,726,215,114.75
  5. Step 5: Solve for x
    x = 831,726,215,114.75/1,275,942.08
  6. Step 6: Final answer
    x = 651,852.64

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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.