Home / 1,214,255.79-1,675,675.40-670,392.63

Finding the Fourth Proportional to 1,214,255.79, 1,675,675.40 and 670,392.63

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Solution

The fourth proportional to 1,214,255.79, 1,675,675.40 and 670,392.63 is: 925,143.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,255.79 : 1,675,675.40 = 670,392.63 : x
  2. Step 2: Convert to fraction form
    1,214,255.79/1,675,675.40 = 670,392.63/x
  3. Step 3: Cross multiply
    1,214,255.79x = 1,675,675.40 × 670,392.63
  4. Step 4: Simplify right side
    1,214,255.79x = 1,123,360,435,080.34
  5. Step 5: Solve for x
    x = 1,123,360,435,080.34/1,214,255.79
  6. Step 6: Final answer
    x = 925,143.16

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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.