Home / 1,688,108.47-2,329,811.46-962,789.92

Finding the Fourth Proportional to 1,688,108.47, 2,329,811.46 and 962,789.92

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Solution

The fourth proportional to 1,688,108.47, 2,329,811.46 and 962,789.92 is: 1,328,776.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,108.47 : 2,329,811.46 = 962,789.92 : x
  2. Step 2: Convert to fraction form
    1,688,108.47/2,329,811.46 = 962,789.92/x
  3. Step 3: Cross multiply
    1,688,108.47x = 2,329,811.46 × 962,789.92
  4. Step 4: Simplify right side
    1,688,108.47x = 2,243,118,983,363.95
  5. Step 5: Solve for x
    x = 2,243,118,983,363.95/1,688,108.47
  6. Step 6: Final answer
    x = 1,328,776.57

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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.