Home / 1,213,953.49-1,675,255.55-670,089.14

Finding the Fourth Proportional to 1,213,953.49, 1,675,255.55 and 670,089.14

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Solution

The fourth proportional to 1,213,953.49, 1,675,255.55 and 670,089.14 is: 924,722.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,953.49 : 1,675,255.55 = 670,089.14 : x
  2. Step 2: Convert to fraction form
    1,213,953.49/1,675,255.55 = 670,089.14/x
  3. Step 3: Cross multiply
    1,213,953.49x = 1,675,255.55 × 670,089.14
  4. Step 4: Simplify right side
    1,213,953.49x = 1,122,570,544,078.67
  5. Step 5: Solve for x
    x = 1,122,570,544,078.67/1,213,953.49
  6. Step 6: Final answer
    x = 924,722.86

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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.