Home / 1,284,502.40-1,926,170.40-485,518.40

Finding the Fourth Proportional to 1,284,502.40, 1,926,170.40 and 485,518.40

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Solution

The fourth proportional to 1,284,502.40, 1,926,170.40 and 485,518.40 is: 728,057.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,502.40 : 1,926,170.40 = 485,518.40 : x
  2. Step 2: Convert to fraction form
    1,284,502.40/1,926,170.40 = 485,518.40/x
  3. Step 3: Cross multiply
    1,284,502.40x = 1,926,170.40 × 485,518.40
  4. Step 4: Simplify right side
    1,284,502.40x = 935,191,170,735.36
  5. Step 5: Solve for x
    x = 935,191,170,735.36/1,284,502.40
  6. Step 6: Final answer
    x = 728,057.16

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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.