Home / 1,455,455.20-2,183,182.80-458,053.60

Finding the Fourth Proportional to 1,455,455.20, 2,183,182.80 and 458,053.60

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Solution

The fourth proportional to 1,455,455.20, 2,183,182.80 and 458,053.60 is: 687,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,455.20 : 2,183,182.80 = 458,053.60 : x
  2. Step 2: Convert to fraction form
    1,455,455.20/2,183,182.80 = 458,053.60/x
  3. Step 3: Cross multiply
    1,455,455.20x = 2,183,182.80 × 458,053.60
  4. Step 4: Simplify right side
    1,455,455.20x = 1,000,014,740,998.08
  5. Step 5: Solve for x
    x = 1,000,014,740,998.08/1,455,455.20
  6. Step 6: Final answer
    x = 687,080.40

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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.