Home / 1,427,621.76-2,141,876.16-859,628.16

Finding the Fourth Proportional to 1,427,621.76, 2,141,876.16 and 859,628.16

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Solution

The fourth proportional to 1,427,621.76, 2,141,876.16 and 859,628.16 is: 1,289,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,621.76 : 2,141,876.16 = 859,628.16 : x
  2. Step 2: Convert to fraction form
    1,427,621.76/2,141,876.16 = 859,628.16/x
  3. Step 3: Cross multiply
    1,427,621.76x = 2,141,876.16 × 859,628.16
  4. Step 4: Simplify right side
    1,427,621.76x = 1,841,217,062,368.67
  5. Step 5: Solve for x
    x = 1,841,217,062,368.67/1,427,621.76
  6. Step 6: Final answer
    x = 1,289,709.30

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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.