Home / 1,550,629.59-2,139,555.20-905,925.22

Finding the Fourth Proportional to 1,550,629.59, 2,139,555.20 and 905,925.22

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Solution

The fourth proportional to 1,550,629.59, 2,139,555.20 and 905,925.22 is: 1,249,993.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,629.59 : 2,139,555.20 = 905,925.22 : x
  2. Step 2: Convert to fraction form
    1,550,629.59/2,139,555.20 = 905,925.22/x
  3. Step 3: Cross multiply
    1,550,629.59x = 2,139,555.20 × 905,925.22
  4. Step 4: Simplify right side
    1,550,629.59x = 1,938,277,024,249.29
  5. Step 5: Solve for x
    x = 1,938,277,024,249.29/1,550,629.59
  6. Step 6: Final answer
    x = 1,249,993.58

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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.