Home / 1,248,412.89-1,722,809.79-675,453.05

Finding the Fourth Proportional to 1,248,412.89, 1,722,809.79 and 675,453.05

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Solution

The fourth proportional to 1,248,412.89, 1,722,809.79 and 675,453.05 is: 932,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,412.89 : 1,722,809.79 = 675,453.05 : x
  2. Step 2: Convert to fraction form
    1,248,412.89/1,722,809.79 = 675,453.05/x
  3. Step 3: Cross multiply
    1,248,412.89x = 1,722,809.79 × 675,453.05
  4. Step 4: Simplify right side
    1,248,412.89x = 1,163,677,118,611.31
  5. Step 5: Solve for x
    x = 1,163,677,118,611.31/1,248,412.89
  6. Step 6: Final answer
    x = 932,125.20

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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.