Home / 1,478,495.08-2,216,858.10-718,841.44

Finding the Fourth Proportional to 1,478,495.08, 2,216,858.10 and 718,841.44

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Solution

The fourth proportional to 1,478,495.08, 2,216,858.10 and 718,841.44 is: 1,077,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,495.08 : 2,216,858.10 = 718,841.44 : x
  2. Step 2: Convert to fraction form
    1,478,495.08/2,216,858.10 = 718,841.44/x
  3. Step 3: Cross multiply
    1,478,495.08x = 2,216,858.10 × 718,841.44
  4. Step 4: Simplify right side
    1,478,495.08x = 1,593,569,468,879.66
  5. Step 5: Solve for x
    x = 1,593,569,468,879.66/1,478,495.08
  6. Step 6: Final answer
    x = 1,077,832.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.