Home / 1,919,216.52-2,878,828.47-499,270.32

Finding the Fourth Proportional to 1,919,216.52, 2,878,828.47 and 499,270.32

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Solution

The fourth proportional to 1,919,216.52, 2,878,828.47 and 499,270.32 is: 748,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,216.52 : 2,878,828.47 = 499,270.32 : x
  2. Step 2: Convert to fraction form
    1,919,216.52/2,878,828.47 = 499,270.32/x
  3. Step 3: Cross multiply
    1,919,216.52x = 2,878,828.47 × 499,270.32
  4. Step 4: Simplify right side
    1,919,216.52x = 1,437,313,611,442.01
  5. Step 5: Solve for x
    x = 1,437,313,611,442.01/1,919,216.52
  6. Step 6: Final answer
    x = 748,906.44

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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.