Home / 1,261,339.09-1,890,883.74-462,434.47

Finding the Fourth Proportional to 1,261,339.09, 1,890,883.74 and 462,434.47

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Solution

The fourth proportional to 1,261,339.09, 1,890,883.74 and 462,434.47 is: 693,239.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,339.09 : 1,890,883.74 = 462,434.47 : x
  2. Step 2: Convert to fraction form
    1,261,339.09/1,890,883.74 = 462,434.47/x
  3. Step 3: Cross multiply
    1,261,339.09x = 1,890,883.74 × 462,434.47
  4. Step 4: Simplify right side
    1,261,339.09x = 874,409,817,145.44
  5. Step 5: Solve for x
    x = 874,409,817,145.44/1,261,339.09
  6. Step 6: Final answer
    x = 693,239.29

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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.