Home / 1,252,846.48-1,728,929.20-679,886.64

Finding the Fourth Proportional to 1,252,846.48, 1,728,929.20 and 679,886.64

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Solution

The fourth proportional to 1,252,846.48, 1,728,929.20 and 679,886.64 is: 938,244.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,846.48 : 1,728,929.20 = 679,886.64 : x
  2. Step 2: Convert to fraction form
    1,252,846.48/1,728,929.20 = 679,886.64/x
  3. Step 3: Cross multiply
    1,252,846.48x = 1,728,929.20 × 679,886.64
  4. Step 4: Simplify right side
    1,252,846.48x = 1,175,475,864,585.89
  5. Step 5: Solve for x
    x = 1,175,475,864,585.89/1,252,846.48
  6. Step 6: Final answer
    x = 938,244.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.