Home / 1,505,078.08-2,077,009.17-860,511.81

Finding the Fourth Proportional to 1,505,078.08, 2,077,009.17 and 860,511.81

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Solution

The fourth proportional to 1,505,078.08, 2,077,009.17 and 860,511.81 is: 1,187,507.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,078.08 : 2,077,009.17 = 860,511.81 : x
  2. Step 2: Convert to fraction form
    1,505,078.08/2,077,009.17 = 860,511.81/x
  3. Step 3: Cross multiply
    1,505,078.08x = 2,077,009.17 × 860,511.81
  4. Step 4: Simplify right side
    1,505,078.08x = 1,787,290,920,263.30
  5. Step 5: Solve for x
    x = 1,787,290,920,263.30/1,505,078.08
  6. Step 6: Final answer
    x = 1,187,507.11

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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.