Home / 1,492,034.52-2,238,713.34-781,893.75

Finding the Fourth Proportional to 1,492,034.52, 2,238,713.34 and 781,893.75

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Solution

The fourth proportional to 1,492,034.52, 2,238,713.34 and 781,893.75 is: 1,173,187.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,034.52 : 2,238,713.34 = 781,893.75 : x
  2. Step 2: Convert to fraction form
    1,492,034.52/2,238,713.34 = 781,893.75/x
  3. Step 3: Cross multiply
    1,492,034.52x = 2,238,713.34 × 781,893.75
  4. Step 4: Simplify right side
    1,492,034.52x = 1,750,435,968,587.63
  5. Step 5: Solve for x
    x = 1,750,435,968,587.63/1,492,034.52
  6. Step 6: Final answer
    x = 1,173,187.31

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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.