Home / 1,213,978.51-1,675,290.68-670,114.66

Finding the Fourth Proportional to 1,213,978.51, 1,675,290.68 and 670,114.66

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Solution

The fourth proportional to 1,213,978.51, 1,675,290.68 and 670,114.66 is: 924,758.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,978.51 : 1,675,290.68 = 670,114.66 : x
  2. Step 2: Convert to fraction form
    1,213,978.51/1,675,290.68 = 670,114.66/x
  3. Step 3: Cross multiply
    1,213,978.51x = 1,675,290.68 × 670,114.66
  4. Step 4: Simplify right side
    1,213,978.51x = 1,122,636,844,429.37
  5. Step 5: Solve for x
    x = 1,122,636,844,429.37/1,213,978.51
  6. Step 6: Final answer
    x = 924,758.42

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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.