Home / 1,008,999.29-1,392,400.23-550,117.83

Finding the Fourth Proportional to 1,008,999.29, 1,392,400.23 and 550,117.83

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Solution

The fourth proportional to 1,008,999.29, 1,392,400.23 and 550,117.83 is: 759,152.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,999.29 : 1,392,400.23 = 550,117.83 : x
  2. Step 2: Convert to fraction form
    1,008,999.29/1,392,400.23 = 550,117.83/x
  3. Step 3: Cross multiply
    1,008,999.29x = 1,392,400.23 × 550,117.83
  4. Step 4: Simplify right side
    1,008,999.29x = 765,984,193,019.10
  5. Step 5: Solve for x
    x = 765,984,193,019.10/1,008,999.29
  6. Step 6: Final answer
    x = 759,152.36

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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.