Home / 1,085,979.15-1,629,746.33-455,345.55

Finding the Fourth Proportional to 1,085,979.15, 1,629,746.33 and 455,345.55

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Solution

The fourth proportional to 1,085,979.15, 1,629,746.33 and 455,345.55 is: 683,344.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,979.15 : 1,629,746.33 = 455,345.55 : x
  2. Step 2: Convert to fraction form
    1,085,979.15/1,629,746.33 = 455,345.55/x
  3. Step 3: Cross multiply
    1,085,979.15x = 1,629,746.33 × 455,345.55
  4. Step 4: Simplify right side
    1,085,979.15x = 742,097,736,717.60
  5. Step 5: Solve for x
    x = 742,097,736,717.60/1,085,979.15
  6. Step 6: Final answer
    x = 683,344.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.