Home / 1,352,231.51-1,866,079.62-740,384.37

Finding the Fourth Proportional to 1,352,231.51, 1,866,079.62 and 740,384.37

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Solution

The fourth proportional to 1,352,231.51, 1,866,079.62 and 740,384.37 is: 1,021,730.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,231.51 : 1,866,079.62 = 740,384.37 : x
  2. Step 2: Convert to fraction form
    1,352,231.51/1,866,079.62 = 740,384.37/x
  3. Step 3: Cross multiply
    1,352,231.51x = 1,866,079.62 × 740,384.37
  4. Step 4: Simplify right side
    1,352,231.51x = 1,381,616,183,823.54
  5. Step 5: Solve for x
    x = 1,381,616,183,823.54/1,352,231.51
  6. Step 6: Final answer
    x = 1,021,730.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.