Home / 1,447,856.43-2,172,387-637,826.28

Finding the Fourth Proportional to 1,447,856.43, 2,172,387 and 637,826.28

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Solution

The fourth proportional to 1,447,856.43, 2,172,387 and 637,826.28 is: 957,004.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,856.43 : 2,172,387 = 637,826.28 : x
  2. Step 2: Convert to fraction form
    1,447,856.43/2,172,387 = 637,826.28/x
  3. Step 3: Cross multiply
    1,447,856.43x = 2,172,387 × 637,826.28
  4. Step 4: Simplify right side
    1,447,856.43x = 1,385,605,518,930.36
  5. Step 5: Solve for x
    x = 1,385,605,518,930.36/1,447,856.43
  6. Step 6: Final answer
    x = 957,004.78

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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.