Home / 1,875,361.96-2,813,004.06-455,425.48

Finding the Fourth Proportional to 1,875,361.96, 2,813,004.06 and 455,425.48

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Solution

The fourth proportional to 1,875,361.96, 2,813,004.06 and 455,425.48 is: 683,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,361.96 : 2,813,004.06 = 455,425.48 : x
  2. Step 2: Convert to fraction form
    1,875,361.96/2,813,004.06 = 455,425.48/x
  3. Step 3: Cross multiply
    1,875,361.96x = 2,813,004.06 × 455,425.48
  4. Step 4: Simplify right side
    1,875,361.96x = 1,281,113,724,267.45
  5. Step 5: Solve for x
    x = 1,281,113,724,267.45/1,875,361.96
  6. Step 6: Final answer
    x = 683,128.78

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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.