Home / 1,393,205.27-2,089,809.72-382,341.06

Finding the Fourth Proportional to 1,393,205.27, 2,089,809.72 and 382,341.06

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Solution

The fourth proportional to 1,393,205.27, 2,089,809.72 and 382,341.06 is: 573,512.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,205.27 : 2,089,809.72 = 382,341.06 : x
  2. Step 2: Convert to fraction form
    1,393,205.27/2,089,809.72 = 382,341.06/x
  3. Step 3: Cross multiply
    1,393,205.27x = 2,089,809.72 × 382,341.06
  4. Step 4: Simplify right side
    1,393,205.27x = 799,020,063,543.10
  5. Step 5: Solve for x
    x = 799,020,063,543.10/1,393,205.27
  6. Step 6: Final answer
    x = 573,512.09

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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.