Home / 1,429,165.14-2,140,945.05-828,865.22

Finding the Fourth Proportional to 1,429,165.14, 2,140,945.05 and 828,865.22

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Solution

The fourth proportional to 1,429,165.14, 2,140,945.05 and 828,865.22 is: 1,241,672.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,165.14 : 2,140,945.05 = 828,865.22 : x
  2. Step 2: Convert to fraction form
    1,429,165.14/2,140,945.05 = 828,865.22/x
  3. Step 3: Cross multiply
    1,429,165.14x = 2,140,945.05 × 828,865.22
  4. Step 4: Simplify right side
    1,429,165.14x = 1,774,554,889,876.16
  5. Step 5: Solve for x
    x = 1,774,554,889,876.16/1,429,165.14
  6. Step 6: Final answer
    x = 1,241,672.39

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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.