Home / 1,330,285.70-1,995,104.55-383,557.70

Finding the Fourth Proportional to 1,330,285.70, 1,995,104.55 and 383,557.70

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Solution

The fourth proportional to 1,330,285.70, 1,995,104.55 and 383,557.70 is: 575,243.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,285.70 : 1,995,104.55 = 383,557.70 : x
  2. Step 2: Convert to fraction form
    1,330,285.70/1,995,104.55 = 383,557.70/x
  3. Step 3: Cross multiply
    1,330,285.70x = 1,995,104.55 × 383,557.70
  4. Step 4: Simplify right side
    1,330,285.70x = 765,237,712,457.54
  5. Step 5: Solve for x
    x = 765,237,712,457.54/1,330,285.70
  6. Step 6: Final answer
    x = 575,243.13

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Double scale
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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.