Home / 1,653,124.60-2,479,686.90-455,231.80

Finding the Fourth Proportional to 1,653,124.60, 2,479,686.90 and 455,231.80

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Solution

The fourth proportional to 1,653,124.60, 2,479,686.90 and 455,231.80 is: 682,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,124.60 : 2,479,686.90 = 455,231.80 : x
  2. Step 2: Convert to fraction form
    1,653,124.60/2,479,686.90 = 455,231.80/x
  3. Step 3: Cross multiply
    1,653,124.60x = 2,479,686.90 × 455,231.80
  4. Step 4: Simplify right side
    1,653,124.60x = 1,128,832,330,923.42
  5. Step 5: Solve for x
    x = 1,128,832,330,923.42/1,653,124.60
  6. Step 6: Final answer
    x = 682,847.70

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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.