Home / 1,161,431.16-1,742,155.38-320,029.08

Finding the Fourth Proportional to 1,161,431.16, 1,742,155.38 and 320,029.08

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Solution

The fourth proportional to 1,161,431.16, 1,742,155.38 and 320,029.08 is: 480,046.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,431.16 : 1,742,155.38 = 320,029.08 : x
  2. Step 2: Convert to fraction form
    1,161,431.16/1,742,155.38 = 320,029.08/x
  3. Step 3: Cross multiply
    1,161,431.16x = 1,742,155.38 × 320,029.08
  4. Step 4: Simplify right side
    1,161,431.16x = 557,540,383,478.45
  5. Step 5: Solve for x
    x = 557,540,383,478.45/1,161,431.16
  6. Step 6: Final answer
    x = 480,046.00

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1.5x scale

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.