Home / 1,390,943.64-2,086,168.83-632,607.48

Finding the Fourth Proportional to 1,390,943.64, 2,086,168.83 and 632,607.48

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Solution

The fourth proportional to 1,390,943.64, 2,086,168.83 and 632,607.48 is: 948,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,943.64 : 2,086,168.83 = 632,607.48 : x
  2. Step 2: Convert to fraction form
    1,390,943.64/2,086,168.83 = 632,607.48/x
  3. Step 3: Cross multiply
    1,390,943.64x = 2,086,168.83 × 632,607.48
  4. Step 4: Simplify right side
    1,390,943.64x = 1,319,726,006,400.85
  5. Step 5: Solve for x
    x = 1,319,726,006,400.85/1,390,943.64
  6. Step 6: Final answer
    x = 948,799.05

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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.