Home / 1,429,745.37-1,972,555.37-913,801.28

Finding the Fourth Proportional to 1,429,745.37, 1,972,555.37 and 913,801.28

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Solution

The fourth proportional to 1,429,745.37, 1,972,555.37 and 913,801.28 is: 1,260,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,745.37 : 1,972,555.37 = 913,801.28 : x
  2. Step 2: Convert to fraction form
    1,429,745.37/1,972,555.37 = 913,801.28/x
  3. Step 3: Cross multiply
    1,429,745.37x = 1,972,555.37 × 913,801.28
  4. Step 4: Simplify right side
    1,429,745.37x = 1,802,523,621,976.87
  5. Step 5: Solve for x
    x = 1,802,523,621,976.87/1,429,745.37
  6. Step 6: Final answer
    x = 1,260,730.52

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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.