Home / 1,343,276.60-1,853,713.76-731,427.90

Finding the Fourth Proportional to 1,343,276.60, 1,853,713.76 and 731,427.90

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Solution

The fourth proportional to 1,343,276.60, 1,853,713.76 and 731,427.90 is: 1,009,366.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,276.60 : 1,853,713.76 = 731,427.90 : x
  2. Step 2: Convert to fraction form
    1,343,276.60/1,853,713.76 = 731,427.90/x
  3. Step 3: Cross multiply
    1,343,276.60x = 1,853,713.76 × 731,427.90
  4. Step 4: Simplify right side
    1,343,276.60x = 1,355,857,962,677.90
  5. Step 5: Solve for x
    x = 1,355,857,962,677.90/1,343,276.60
  6. Step 6: Final answer
    x = 1,009,366.17

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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.