Home / 1,018,115.15-1,404,960.41-565,435.31

Finding the Fourth Proportional to 1,018,115.15, 1,404,960.41 and 565,435.31

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Solution

The fourth proportional to 1,018,115.15, 1,404,960.41 and 565,435.31 is: 780,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,115.15 : 1,404,960.41 = 565,435.31 : x
  2. Step 2: Convert to fraction form
    1,018,115.15/1,404,960.41 = 565,435.31/x
  3. Step 3: Cross multiply
    1,018,115.15x = 1,404,960.41 × 565,435.31
  4. Step 4: Simplify right side
    1,018,115.15x = 794,414,224,966.08
  5. Step 5: Solve for x
    x = 794,414,224,966.08/1,018,115.15
  6. Step 6: Final answer
    x = 780,279.35

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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.