Home / 1,118,274.06-1,677,172.94-319,343.52

Finding the Fourth Proportional to 1,118,274.06, 1,677,172.94 and 319,343.52

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Solution

The fourth proportional to 1,118,274.06, 1,677,172.94 and 319,343.52 is: 478,947.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,274.06 : 1,677,172.94 = 319,343.52 : x
  2. Step 2: Convert to fraction form
    1,118,274.06/1,677,172.94 = 319,343.52/x
  3. Step 3: Cross multiply
    1,118,274.06x = 1,677,172.94 × 319,343.52
  4. Step 4: Simplify right side
    1,118,274.06x = 535,594,310,308.35
  5. Step 5: Solve for x
    x = 535,594,310,308.35/1,118,274.06
  6. Step 6: Final answer
    x = 478,947.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.