Home / 1,689,024.48-2,330,856.03-914,656.66

Finding the Fourth Proportional to 1,689,024.48, 2,330,856.03 and 914,656.66

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Solution

The fourth proportional to 1,689,024.48, 2,330,856.03 and 914,656.66 is: 1,262,227.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,024.48 : 2,330,856.03 = 914,656.66 : x
  2. Step 2: Convert to fraction form
    1,689,024.48/2,330,856.03 = 914,656.66/x
  3. Step 3: Cross multiply
    1,689,024.48x = 2,330,856.03 × 914,656.66
  4. Step 4: Simplify right side
    1,689,024.48x = 2,131,932,979,686.38
  5. Step 5: Solve for x
    x = 2,131,932,979,686.38/1,689,024.48
  6. Step 6: Final answer
    x = 1,262,227.40

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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.