Home / 1,155,176.73-1,732,880.82-396,918.32

Finding the Fourth Proportional to 1,155,176.73, 1,732,880.82 and 396,918.32

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Solution

The fourth proportional to 1,155,176.73, 1,732,880.82 and 396,918.32 is: 595,417.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,176.73 : 1,732,880.82 = 396,918.32 : x
  2. Step 2: Convert to fraction form
    1,155,176.73/1,732,880.82 = 396,918.32/x
  3. Step 3: Cross multiply
    1,155,176.73x = 1,732,880.82 × 396,918.32
  4. Step 4: Simplify right side
    1,155,176.73x = 687,812,135,170.22
  5. Step 5: Solve for x
    x = 687,812,135,170.22/1,155,176.73
  6. Step 6: Final answer
    x = 595,417.24

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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.