Home / 1,712,502.75-2,566,897.29-857,513.21

Finding the Fourth Proportional to 1,712,502.75, 2,566,897.29 and 857,513.21

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Solution

The fourth proportional to 1,712,502.75, 2,566,897.29 and 857,513.21 is: 1,285,340.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,502.75 : 2,566,897.29 = 857,513.21 : x
  2. Step 2: Convert to fraction form
    1,712,502.75/2,566,897.29 = 857,513.21/x
  3. Step 3: Cross multiply
    1,712,502.75x = 2,566,897.29 × 857,513.21
  4. Step 4: Simplify right side
    1,712,502.75x = 2,201,148,329,273.11
  5. Step 5: Solve for x
    x = 2,201,148,329,273.11/1,712,502.75
  6. Step 6: Final answer
    x = 1,285,340.03

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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.