Home / 1,343,167.80-1,853,511.30-731,305.14

Finding the Fourth Proportional to 1,343,167.80, 1,853,511.30 and 731,305.14

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Solution

The fourth proportional to 1,343,167.80, 1,853,511.30 and 731,305.14 is: 1,009,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,167.80 : 1,853,511.30 = 731,305.14 : x
  2. Step 2: Convert to fraction form
    1,343,167.80/1,853,511.30 = 731,305.14/x
  3. Step 3: Cross multiply
    1,343,167.80x = 1,853,511.30 × 731,305.14
  4. Step 4: Simplify right side
    1,343,167.80x = 1,355,482,340,738.08
  5. Step 5: Solve for x
    x = 1,355,482,340,738.08/1,343,167.80
  6. Step 6: Final answer
    x = 1,009,168.28

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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.