Home / 1,238,497.40-1,857,746.10-1,108,589.60

Finding the Fourth Proportional to 1,238,497.40, 1,857,746.10 and 1,108,589.60

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Solution

The fourth proportional to 1,238,497.40, 1,857,746.10 and 1,108,589.60 is: 1,662,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,497.40 : 1,857,746.10 = 1,108,589.60 : x
  2. Step 2: Convert to fraction form
    1,238,497.40/1,857,746.10 = 1,108,589.60/x
  3. Step 3: Cross multiply
    1,238,497.40x = 1,857,746.10 × 1,108,589.60
  4. Step 4: Simplify right side
    1,238,497.40x = 2,059,478,005,900.56
  5. Step 5: Solve for x
    x = 2,059,478,005,900.56/1,238,497.40
  6. Step 6: Final answer
    x = 1,662,884.40

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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.