Home / 1,555,682.76-2,146,983.17-943,990.50

Finding the Fourth Proportional to 1,555,682.76, 2,146,983.17 and 943,990.50

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Solution

The fourth proportional to 1,555,682.76, 2,146,983.17 and 943,990.50 is: 1,302,792.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,682.76 : 2,146,983.17 = 943,990.50 : x
  2. Step 2: Convert to fraction form
    1,555,682.76/2,146,983.17 = 943,990.50/x
  3. Step 3: Cross multiply
    1,555,682.76x = 2,146,983.17 × 943,990.50
  4. Step 4: Simplify right side
    1,555,682.76x = 2,026,731,719,471.12
  5. Step 5: Solve for x
    x = 2,026,731,719,471.12/1,555,682.76
  6. Step 6: Final answer
    x = 1,302,792.43

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1.5x scale

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.