Home / 1,018,215.63-1,527,655.14-485,667.36

Finding the Fourth Proportional to 1,018,215.63, 1,527,655.14 and 485,667.36

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Solution

The fourth proportional to 1,018,215.63, 1,527,655.14 and 485,667.36 is: 728,659.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,215.63 : 1,527,655.14 = 485,667.36 : x
  2. Step 2: Convert to fraction form
    1,018,215.63/1,527,655.14 = 485,667.36/x
  3. Step 3: Cross multiply
    1,018,215.63x = 1,527,655.14 × 485,667.36
  4. Step 4: Simplify right side
    1,018,215.63x = 741,932,238,834.23
  5. Step 5: Solve for x
    x = 741,932,238,834.23/1,018,215.63
  6. Step 6: Final answer
    x = 728,659.25

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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.