Home / 1,550,344.52-2,138,994.59-905,299.40

Finding the Fourth Proportional to 1,550,344.52, 2,138,994.59 and 905,299.40

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Solution

The fourth proportional to 1,550,344.52, 2,138,994.59 and 905,299.40 is: 1,249,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,344.52 : 2,138,994.59 = 905,299.40 : x
  2. Step 2: Convert to fraction form
    1,550,344.52/2,138,994.59 = 905,299.40/x
  3. Step 3: Cross multiply
    1,550,344.52x = 2,138,994.59 × 905,299.40
  4. Step 4: Simplify right side
    1,550,344.52x = 1,936,430,518,930.25
  5. Step 5: Solve for x
    x = 1,936,430,518,930.25/1,550,344.52
  6. Step 6: Final answer
    x = 1,249,032.39

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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.