Home / 1,239,266.54-1,858,988.92-518,883.32

Finding the Fourth Proportional to 1,239,266.54, 1,858,988.92 and 518,883.32

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Solution

The fourth proportional to 1,239,266.54, 1,858,988.92 and 518,883.32 is: 778,362.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,266.54 : 1,858,988.92 = 518,883.32 : x
  2. Step 2: Convert to fraction form
    1,239,266.54/1,858,988.92 = 518,883.32/x
  3. Step 3: Cross multiply
    1,239,266.54x = 1,858,988.92 × 518,883.32
  4. Step 4: Simplify right side
    1,239,266.54x = 964,598,342,652.81
  5. Step 5: Solve for x
    x = 964,598,342,652.81/1,239,266.54
  6. Step 6: Final answer
    x = 778,362.29

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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.