Home / 1,213,265.55-1,821,374.55-613,918.20

Finding the Fourth Proportional to 1,213,265.55, 1,821,374.55 and 613,918.20

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Solution

The fourth proportional to 1,213,265.55, 1,821,374.55 and 613,918.20 is: 921,624.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,265.55 : 1,821,374.55 = 613,918.20 : x
  2. Step 2: Convert to fraction form
    1,213,265.55/1,821,374.55 = 613,918.20/x
  3. Step 3: Cross multiply
    1,213,265.55x = 1,821,374.55 × 613,918.20
  4. Step 4: Simplify right side
    1,213,265.55x = 1,118,174,985,261.81
  5. Step 5: Solve for x
    x = 1,118,174,985,261.81/1,213,265.55
  6. Step 6: Final answer
    x = 921,624.28

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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.