Home / 1,025,429.58-1,538,148.15-315,452.70

Finding the Fourth Proportional to 1,025,429.58, 1,538,148.15 and 315,452.70

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Solution

The fourth proportional to 1,025,429.58, 1,538,148.15 and 315,452.70 is: 473,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,429.58 : 1,538,148.15 = 315,452.70 : x
  2. Step 2: Convert to fraction form
    1,025,429.58/1,538,148.15 = 315,452.70/x
  3. Step 3: Cross multiply
    1,025,429.58x = 1,538,148.15 × 315,452.70
  4. Step 4: Simplify right side
    1,025,429.58x = 485,212,986,917.51
  5. Step 5: Solve for x
    x = 485,212,986,917.51/1,025,429.58
  6. Step 6: Final answer
    x = 473,180.21

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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.