Home / 1,366,858.40-1,886,282.72-755,009.60

Finding the Fourth Proportional to 1,366,858.40, 1,886,282.72 and 755,009.60

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Solution

The fourth proportional to 1,366,858.40, 1,886,282.72 and 755,009.60 is: 1,041,923.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,858.40 : 1,886,282.72 = 755,009.60 : x
  2. Step 2: Convert to fraction form
    1,366,858.40/1,886,282.72 = 755,009.60/x
  3. Step 3: Cross multiply
    1,366,858.40x = 1,886,282.72 × 755,009.60
  4. Step 4: Simplify right side
    1,366,858.40x = 1,424,161,561,914.11
  5. Step 5: Solve for x
    x = 1,424,161,561,914.11/1,366,858.40
  6. Step 6: Final answer
    x = 1,041,923.26

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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.