Home / 1,208,809.38-1,812,590.00-355,770.20

Finding the Fourth Proportional to 1,208,809.38, 1,812,590.00 and 355,770.20

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Solution

The fourth proportional to 1,208,809.38, 1,812,590.00 and 355,770.20 is: 533,471.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,809.38 : 1,812,590.00 = 355,770.20 : x
  2. Step 2: Convert to fraction form
    1,208,809.38/1,812,590.00 = 355,770.20/x
  3. Step 3: Cross multiply
    1,208,809.38x = 1,812,590.00 × 355,770.20
  4. Step 4: Simplify right side
    1,208,809.38x = 644,865,509,570.62
  5. Step 5: Solve for x
    x = 644,865,509,570.62/1,208,809.38
  6. Step 6: Final answer
    x = 533,471.63

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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.