Home / 1,280,382.26-1,766,963.16-707,459.36

Finding the Fourth Proportional to 1,280,382.26, 1,766,963.16 and 707,459.36

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Solution

The fourth proportional to 1,280,382.26, 1,766,963.16 and 707,459.36 is: 976,313.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,382.26 : 1,766,963.16 = 707,459.36 : x
  2. Step 2: Convert to fraction form
    1,280,382.26/1,766,963.16 = 707,459.36/x
  3. Step 3: Cross multiply
    1,280,382.26x = 1,766,963.16 × 707,459.36
  4. Step 4: Simplify right side
    1,280,382.26x = 1,250,054,617,482.36
  5. Step 5: Solve for x
    x = 1,250,054,617,482.36/1,280,382.26
  6. Step 6: Final answer
    x = 976,313.61

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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.