Home / 1,330,379.70-1,995,569.55-572,584.20

Finding the Fourth Proportional to 1,330,379.70, 1,995,569.55 and 572,584.20

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Solution

The fourth proportional to 1,330,379.70, 1,995,569.55 and 572,584.20 is: 858,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,379.70 : 1,995,569.55 = 572,584.20 : x
  2. Step 2: Convert to fraction form
    1,330,379.70/1,995,569.55 = 572,584.20/x
  3. Step 3: Cross multiply
    1,330,379.70x = 1,995,569.55 × 572,584.20
  4. Step 4: Simplify right side
    1,330,379.70x = 1,142,631,594,331.11
  5. Step 5: Solve for x
    x = 1,142,631,594,331.11/1,330,379.70
  6. Step 6: Final answer
    x = 858,876.30

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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.