Home / 1,429,051.74-1,972,040.37-808,843.60

Finding the Fourth Proportional to 1,429,051.74, 1,972,040.37 and 808,843.60

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Solution

The fourth proportional to 1,429,051.74, 1,972,040.37 and 808,843.60 is: 1,116,175.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,051.74 : 1,972,040.37 = 808,843.60 : x
  2. Step 2: Convert to fraction form
    1,429,051.74/1,972,040.37 = 808,843.60/x
  3. Step 3: Cross multiply
    1,429,051.74x = 1,972,040.37 × 808,843.60
  4. Step 4: Simplify right side
    1,429,051.74x = 1,595,072,230,319.19
  5. Step 5: Solve for x
    x = 1,595,072,230,319.19/1,429,051.74
  6. Step 6: Final answer
    x = 1,116,175.28

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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.