Home / 1,688,108.91-2,329,812.06-962,790.36

Finding the Fourth Proportional to 1,688,108.91, 2,329,812.06 and 962,790.36

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Solution

The fourth proportional to 1,688,108.91, 2,329,812.06 and 962,790.36 is: 1,328,777.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,108.91 : 2,329,812.06 = 962,790.36 : x
  2. Step 2: Convert to fraction form
    1,688,108.91/2,329,812.06 = 962,790.36/x
  3. Step 3: Cross multiply
    1,688,108.91x = 2,329,812.06 × 962,790.36
  4. Step 4: Simplify right side
    1,688,108.91x = 2,243,120,591,979.74
  5. Step 5: Solve for x
    x = 2,243,120,591,979.74/1,688,108.91
  6. Step 6: Final answer
    x = 1,328,777.18

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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.