Home / 1,118,274.08-1,677,172.92-319,343.52

Finding the Fourth Proportional to 1,118,274.08, 1,677,172.92 and 319,343.52

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Solution

The fourth proportional to 1,118,274.08, 1,677,172.92 and 319,343.52 is: 478,947.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,274.08 : 1,677,172.92 = 319,343.52 : x
  2. Step 2: Convert to fraction form
    1,118,274.08/1,677,172.92 = 319,343.52/x
  3. Step 3: Cross multiply
    1,118,274.08x = 1,677,172.92 × 319,343.52
  4. Step 4: Simplify right side
    1,118,274.08x = 535,594,303,921.48
  5. Step 5: Solve for x
    x = 535,594,303,921.48/1,118,274.08
  6. Step 6: Final answer
    x = 478,947.26

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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.