Home / 1,780,072.06-2,670,108.07-432,225.58

Finding the Fourth Proportional to 1,780,072.06, 2,670,108.07 and 432,225.58

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Solution

The fourth proportional to 1,780,072.06, 2,670,108.07 and 432,225.58 is: 648,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,072.06 : 2,670,108.07 = 432,225.58 : x
  2. Step 2: Convert to fraction form
    1,780,072.06/2,670,108.07 = 432,225.58/x
  3. Step 3: Cross multiply
    1,780,072.06x = 2,670,108.07 × 432,225.58
  4. Step 4: Simplify right side
    1,780,072.06x = 1,154,089,009,218.43
  5. Step 5: Solve for x
    x = 1,154,089,009,218.43/1,780,072.06
  6. Step 6: Final answer
    x = 648,338.37

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Double scale
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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.