Home / 1,078,357.48-1,617,871.86-320,202.92

Finding the Fourth Proportional to 1,078,357.48, 1,617,871.86 and 320,202.92

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Solution

The fourth proportional to 1,078,357.48, 1,617,871.86 and 320,202.92 is: 480,404.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,357.48 : 1,617,871.86 = 320,202.92 : x
  2. Step 2: Convert to fraction form
    1,078,357.48/1,617,871.86 = 320,202.92/x
  3. Step 3: Cross multiply
    1,078,357.48x = 1,617,871.86 × 320,202.92
  4. Step 4: Simplify right side
    1,078,357.48x = 518,047,293,757.83
  5. Step 5: Solve for x
    x = 518,047,293,757.83/1,078,357.48
  6. Step 6: Final answer
    x = 480,404.04

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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.