Home / 1,167,238.54-1,750,349.31-620,011.20

Finding the Fourth Proportional to 1,167,238.54, 1,750,349.31 and 620,011.20

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Solution

The fourth proportional to 1,167,238.54, 1,750,349.31 and 620,011.20 is: 929,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,238.54 : 1,750,349.31 = 620,011.20 : x
  2. Step 2: Convert to fraction form
    1,167,238.54/1,750,349.31 = 620,011.20/x
  3. Step 3: Cross multiply
    1,167,238.54x = 1,750,349.31 × 620,011.20
  4. Step 4: Simplify right side
    1,167,238.54x = 1,085,236,176,112.27
  5. Step 5: Solve for x
    x = 1,085,236,176,112.27/1,167,238.54
  6. Step 6: Final answer
    x = 929,746.70

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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.