Home / 1,018,013.92-1,404,988.08-615,604.96

Finding the Fourth Proportional to 1,018,013.92, 1,404,988.08 and 615,604.96

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Solution

The fourth proportional to 1,018,013.92, 1,404,988.08 and 615,604.96 is: 849,612.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,013.92 : 1,404,988.08 = 615,604.96 : x
  2. Step 2: Convert to fraction form
    1,018,013.92/1,404,988.08 = 615,604.96/x
  3. Step 3: Cross multiply
    1,018,013.92x = 1,404,988.08 × 615,604.96
  4. Step 4: Simplify right side
    1,018,013.92x = 864,917,630,788.88
  5. Step 5: Solve for x
    x = 864,917,630,788.88/1,018,013.92
  6. Step 6: Final answer
    x = 849,612.77

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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.