Home / 1,628,502.70-2,445,086.85-919,914.70

Finding the Fourth Proportional to 1,628,502.70, 2,445,086.85 and 919,914.70

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Solution

The fourth proportional to 1,628,502.70, 2,445,086.85 and 919,914.70 is: 1,381,189.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,502.70 : 2,445,086.85 = 919,914.70 : x
  2. Step 2: Convert to fraction form
    1,628,502.70/2,445,086.85 = 919,914.70/x
  3. Step 3: Cross multiply
    1,628,502.70x = 2,445,086.85 × 919,914.70
  4. Step 4: Simplify right side
    1,628,502.70x = 2,249,271,336,091.69
  5. Step 5: Solve for x
    x = 2,249,271,336,091.69/1,628,502.70
  6. Step 6: Final answer
    x = 1,381,189.81

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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.