Home / 1,392,718.50-2,085,837.72-1,354,407.30

Finding the Fourth Proportional to 1,392,718.50, 2,085,837.72 and 1,354,407.30

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Solution

The fourth proportional to 1,392,718.50, 2,085,837.72 and 1,354,407.30 is: 2,028,460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,718.50 : 2,085,837.72 = 1,354,407.30 : x
  2. Step 2: Convert to fraction form
    1,392,718.50/2,085,837.72 = 1,354,407.30/x
  3. Step 3: Cross multiply
    1,392,718.50x = 2,085,837.72 × 1,354,407.30
  4. Step 4: Simplify right side
    1,392,718.50x = 2,825,073,834,583.36
  5. Step 5: Solve for x
    x = 2,825,073,834,583.36/1,392,718.50
  6. Step 6: Final answer
    x = 2,028,460.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.