Home / 1,214,009.70-1,821,743.55-503,963.70

Finding the Fourth Proportional to 1,214,009.70, 1,821,743.55 and 503,963.70

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Solution

The fourth proportional to 1,214,009.70, 1,821,743.55 and 503,963.70 is: 756,248.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,009.70 : 1,821,743.55 = 503,963.70 : x
  2. Step 2: Convert to fraction form
    1,214,009.70/1,821,743.55 = 503,963.70/x
  3. Step 3: Cross multiply
    1,214,009.70x = 1,821,743.55 × 503,963.70
  4. Step 4: Simplify right side
    1,214,009.70x = 918,092,619,909.14
  5. Step 5: Solve for x
    x = 918,092,619,909.14/1,214,009.70
  6. Step 6: Final answer
    x = 756,248.17

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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.