Home / 1,364,739.18-2,042,909.73-890,403.18

Finding the Fourth Proportional to 1,364,739.18, 2,042,909.73 and 890,403.18

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Solution

The fourth proportional to 1,364,739.18, 2,042,909.73 and 890,403.18 is: 1,332,865.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,739.18 : 2,042,909.73 = 890,403.18 : x
  2. Step 2: Convert to fraction form
    1,364,739.18/2,042,909.73 = 890,403.18/x
  3. Step 3: Cross multiply
    1,364,739.18x = 2,042,909.73 × 890,403.18
  4. Step 4: Simplify right side
    1,364,739.18x = 1,819,013,320,044.94
  5. Step 5: Solve for x
    x = 1,819,013,320,044.94/1,364,739.18
  6. Step 6: Final answer
    x = 1,332,865.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.