Home / 1,615,131.46-2,228,928.96-890,025.89

Finding the Fourth Proportional to 1,615,131.46, 2,228,928.96 and 890,025.89

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Solution

The fourth proportional to 1,615,131.46, 2,228,928.96 and 890,025.89 is: 1,228,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,131.46 : 2,228,928.96 = 890,025.89 : x
  2. Step 2: Convert to fraction form
    1,615,131.46/2,228,928.96 = 890,025.89/x
  3. Step 3: Cross multiply
    1,615,131.46x = 2,228,928.96 × 890,025.89
  4. Step 4: Simplify right side
    1,615,131.46x = 1,983,804,483,595.84
  5. Step 5: Solve for x
    x = 1,983,804,483,595.84/1,615,131.46
  6. Step 6: Final answer
    x = 1,228,261.93

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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.