Home / 1,214,308.40-1,820,004.60-503,970.80

Finding the Fourth Proportional to 1,214,308.40, 1,820,004.60 and 503,970.80

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Solution

The fourth proportional to 1,214,308.40, 1,820,004.60 and 503,970.80 is: 755,351.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,308.40 : 1,820,004.60 = 503,970.80 : x
  2. Step 2: Convert to fraction form
    1,214,308.40/1,820,004.60 = 503,970.80/x
  3. Step 3: Cross multiply
    1,214,308.40x = 1,820,004.60 × 503,970.80
  4. Step 4: Simplify right side
    1,214,308.40x = 917,229,174,265.68
  5. Step 5: Solve for x
    x = 917,229,174,265.68/1,214,308.40
  6. Step 6: Final answer
    x = 755,351.09

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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.