Home / 1,087,305.90-1,500,433.59-651,963.57

Finding the Fourth Proportional to 1,087,305.90, 1,500,433.59 and 651,963.57

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Solution

The fourth proportional to 1,087,305.90, 1,500,433.59 and 651,963.57 is: 899,680.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,305.90 : 1,500,433.59 = 651,963.57 : x
  2. Step 2: Convert to fraction form
    1,087,305.90/1,500,433.59 = 651,963.57/x
  3. Step 3: Cross multiply
    1,087,305.90x = 1,500,433.59 × 651,963.57
  4. Step 4: Simplify right side
    1,087,305.90x = 978,228,039,884.32
  5. Step 5: Solve for x
    x = 978,228,039,884.32/1,087,305.90
  6. Step 6: Final answer
    x = 899,680.61

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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.