Home / 1,012,731.64-1,518,629.90-372,874.68

Finding the Fourth Proportional to 1,012,731.64, 1,518,629.90 and 372,874.68

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Solution

The fourth proportional to 1,012,731.64, 1,518,629.90 and 372,874.68 is: 559,139.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,731.64 : 1,518,629.90 = 372,874.68 : x
  2. Step 2: Convert to fraction form
    1,012,731.64/1,518,629.90 = 372,874.68/x
  3. Step 3: Cross multiply
    1,012,731.64x = 1,518,629.90 × 372,874.68
  4. Step 4: Simplify right side
    1,012,731.64x = 566,258,638,000.93
  5. Step 5: Solve for x
    x = 566,258,638,000.93/1,012,731.64
  6. Step 6: Final answer
    x = 559,139.87

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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.