Home / 1,413,228.40-2,115,004.20-852,665.20

Finding the Fourth Proportional to 1,413,228.40, 2,115,004.20 and 852,665.20

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Solution

The fourth proportional to 1,413,228.40, 2,115,004.20 and 852,665.20 is: 1,276,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,228.40 : 2,115,004.20 = 852,665.20 : x
  2. Step 2: Convert to fraction form
    1,413,228.40/2,115,004.20 = 852,665.20/x
  3. Step 3: Cross multiply
    1,413,228.40x = 2,115,004.20 × 852,665.20
  4. Step 4: Simplify right side
    1,413,228.40x = 1,803,390,479,193.84
  5. Step 5: Solve for x
    x = 1,803,390,479,193.84/1,413,228.40
  6. Step 6: Final answer
    x = 1,276,078.57

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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.