Home / 1,780,215.57-2,670,285.69-432,384.48

Finding the Fourth Proportional to 1,780,215.57, 2,670,285.69 and 432,384.48

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Solution

The fourth proportional to 1,780,215.57, 2,670,285.69 and 432,384.48 is: 648,567.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,215.57 : 2,670,285.69 = 432,384.48 : x
  2. Step 2: Convert to fraction form
    1,780,215.57/2,670,285.69 = 432,384.48/x
  3. Step 3: Cross multiply
    1,780,215.57x = 2,670,285.69 × 432,384.48
  4. Step 4: Simplify right side
    1,780,215.57x = 1,154,590,089,522.09
  5. Step 5: Solve for x
    x = 1,154,590,089,522.09/1,780,215.57
  6. Step 6: Final answer
    x = 648,567.57

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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.