Home / 1,213,420.60-1,674,853.50-704,287

Finding the Fourth Proportional to 1,213,420.60, 1,674,853.50 and 704,287

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Solution

The fourth proportional to 1,213,420.60, 1,674,853.50 and 704,287 is: 972,109.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,420.60 : 1,674,853.50 = 704,287 : x
  2. Step 2: Convert to fraction form
    1,213,420.60/1,674,853.50 = 704,287/x
  3. Step 3: Cross multiply
    1,213,420.60x = 1,674,853.50 × 704,287
  4. Step 4: Simplify right side
    1,213,420.60x = 1,179,577,546,954.50
  5. Step 5: Solve for x
    x = 1,179,577,546,954.50/1,213,420.60
  6. Step 6: Final answer
    x = 972,109.38

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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.