Home / 1,335,153.22-1,842,503.83-723,317.90

Finding the Fourth Proportional to 1,335,153.22, 1,842,503.83 and 723,317.90

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Solution

The fourth proportional to 1,335,153.22, 1,842,503.83 and 723,317.90 is: 998,174.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,153.22 : 1,842,503.83 = 723,317.90 : x
  2. Step 2: Convert to fraction form
    1,335,153.22/1,842,503.83 = 723,317.90/x
  3. Step 3: Cross multiply
    1,335,153.22x = 1,842,503.83 × 723,317.90
  4. Step 4: Simplify right side
    1,335,153.22x = 1,332,715,990,036.74
  5. Step 5: Solve for x
    x = 1,332,715,990,036.74/1,335,153.22
  6. Step 6: Final answer
    x = 998,174.57

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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.