Home / 1,213,903.66-1,675,187.20-670,039.64

Finding the Fourth Proportional to 1,213,903.66, 1,675,187.20 and 670,039.64

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Solution

The fourth proportional to 1,213,903.66, 1,675,187.20 and 670,039.64 is: 924,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,903.66 : 1,675,187.20 = 670,039.64 : x
  2. Step 2: Convert to fraction form
    1,213,903.66/1,675,187.20 = 670,039.64/x
  3. Step 3: Cross multiply
    1,213,903.66x = 1,675,187.20 × 670,039.64
  4. Step 4: Simplify right side
    1,213,903.66x = 1,122,441,828,420.61
  5. Step 5: Solve for x
    x = 1,122,441,828,420.61/1,213,903.66
  6. Step 6: Final answer
    x = 924,654.79

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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.