Home / 1,330,455.70-1,995,683.55-572,660.20

Finding the Fourth Proportional to 1,330,455.70, 1,995,683.55 and 572,660.20

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Solution

The fourth proportional to 1,330,455.70, 1,995,683.55 and 572,660.20 is: 858,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,455.70 : 1,995,683.55 = 572,660.20 : x
  2. Step 2: Convert to fraction form
    1,330,455.70/1,995,683.55 = 572,660.20/x
  3. Step 3: Cross multiply
    1,330,455.70x = 1,995,683.55 × 572,660.20
  4. Step 4: Simplify right side
    1,330,455.70x = 1,142,848,540,879.71
  5. Step 5: Solve for x
    x = 1,142,848,540,879.71/1,330,455.70
  6. Step 6: Final answer
    x = 858,990.30

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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.