Home / 1,453,973.92-2,006,753.07-842,126.51

Finding the Fourth Proportional to 1,453,973.92, 2,006,753.07 and 842,126.51

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Solution

The fourth proportional to 1,453,973.92, 2,006,753.07 and 842,126.51 is: 1,162,290.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,973.92 : 2,006,753.07 = 842,126.51 : x
  2. Step 2: Convert to fraction form
    1,453,973.92/2,006,753.07 = 842,126.51/x
  3. Step 3: Cross multiply
    1,453,973.92x = 2,006,753.07 × 842,126.51
  4. Step 4: Simplify right side
    1,453,973.92x = 1,689,939,964,287.77
  5. Step 5: Solve for x
    x = 1,689,939,964,287.77/1,453,973.92
  6. Step 6: Final answer
    x = 1,162,290.43

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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.