Home / 1,622,465.29-2,238,911.55-887,274.48

Finding the Fourth Proportional to 1,622,465.29, 2,238,911.55 and 887,274.48

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Solution

The fourth proportional to 1,622,465.29, 2,238,911.55 and 887,274.48 is: 1,224,389.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,465.29 : 2,238,911.55 = 887,274.48 : x
  2. Step 2: Convert to fraction form
    1,622,465.29/2,238,911.55 = 887,274.48/x
  3. Step 3: Cross multiply
    1,622,465.29x = 2,238,911.55 × 887,274.48
  4. Step 4: Simplify right side
    1,622,465.29x = 1,986,529,081,292.24
  5. Step 5: Solve for x
    x = 1,986,529,081,292.24/1,622,465.29
  6. Step 6: Final answer
    x = 1,224,389.27

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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.