Home / 1,325,037.60-1,829,688.42-1,282,190.16

Finding the Fourth Proportional to 1,325,037.60, 1,829,688.42 and 1,282,190.16

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Solution

The fourth proportional to 1,325,037.60, 1,829,688.42 and 1,282,190.16 is: 1,770,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,037.60 : 1,829,688.42 = 1,282,190.16 : x
  2. Step 2: Convert to fraction form
    1,325,037.60/1,829,688.42 = 1,282,190.16/x
  3. Step 3: Cross multiply
    1,325,037.60x = 1,829,688.42 × 1,282,190.16
  4. Step 4: Simplify right side
    1,325,037.60x = 2,346,008,487,989.95
  5. Step 5: Solve for x
    x = 2,346,008,487,989.95/1,325,037.60
  6. Step 6: Final answer
    x = 1,770,522.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.