Home / 1,854,311-2,558,656.88-1,080,069.28

Finding the Fourth Proportional to 1,854,311, 2,558,656.88 and 1,080,069.28

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Solution

The fourth proportional to 1,854,311, 2,558,656.88 and 1,080,069.28 is: 1,490,325.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,311 : 2,558,656.88 = 1,080,069.28 : x
  2. Step 2: Convert to fraction form
    1,854,311/2,558,656.88 = 1,080,069.28/x
  3. Step 3: Cross multiply
    1,854,311x = 2,558,656.88 × 1,080,069.28
  4. Step 4: Simplify right side
    1,854,311x = 2,763,526,694,148.65
  5. Step 5: Solve for x
    x = 2,763,526,694,148.65/1,854,311
  6. Step 6: Final answer
    x = 1,490,325.35

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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.