Home / 1,118,798.12-1,543,536.51-731,834.19

Finding the Fourth Proportional to 1,118,798.12, 1,543,536.51 and 731,834.19

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Solution

The fourth proportional to 1,118,798.12, 1,543,536.51 and 731,834.19 is: 1,009,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,798.12 : 1,543,536.51 = 731,834.19 : x
  2. Step 2: Convert to fraction form
    1,118,798.12/1,543,536.51 = 731,834.19/x
  3. Step 3: Cross multiply
    1,118,798.12x = 1,543,536.51 × 731,834.19
  4. Step 4: Simplify right side
    1,118,798.12x = 1,129,612,788,786.90
  5. Step 5: Solve for x
    x = 1,129,612,788,786.90/1,118,798.12
  6. Step 6: Final answer
    x = 1,009,666.33

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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.