Home / 1,117,685-1,542,171.84-731,066.96

Finding the Fourth Proportional to 1,117,685, 1,542,171.84 and 731,066.96

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Solution

The fourth proportional to 1,117,685, 1,542,171.84 and 731,066.96 is: 1,008,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,685 : 1,542,171.84 = 731,066.96 : x
  2. Step 2: Convert to fraction form
    1,117,685/1,542,171.84 = 731,066.96/x
  3. Step 3: Cross multiply
    1,117,685x = 1,542,171.84 × 731,066.96
  4. Step 4: Simplify right side
    1,117,685x = 1,127,430,878,866.41
  5. Step 5: Solve for x
    x = 1,127,430,878,866.41/1,117,685
  6. Step 6: Final answer
    x = 1,008,719.70

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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.