Home / 1,455,183.80-2,182,775.70-457,911.80

Finding the Fourth Proportional to 1,455,183.80, 2,182,775.70 and 457,911.80

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Solution

The fourth proportional to 1,455,183.80, 2,182,775.70 and 457,911.80 is: 686,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,183.80 : 2,182,775.70 = 457,911.80 : x
  2. Step 2: Convert to fraction form
    1,455,183.80/2,182,775.70 = 457,911.80/x
  3. Step 3: Cross multiply
    1,455,183.80x = 2,182,775.70 × 457,911.80
  4. Step 4: Simplify right side
    1,455,183.80x = 999,518,749,783.26
  5. Step 5: Solve for x
    x = 999,518,749,783.26/1,455,183.80
  6. Step 6: Final answer
    x = 686,867.70

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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.