Home / 1,152,670.72-1,728,852.92-343,040.60

Finding the Fourth Proportional to 1,152,670.72, 1,728,852.92 and 343,040.60

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Solution

The fourth proportional to 1,152,670.72, 1,728,852.92 and 343,040.60 is: 514,515.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,670.72 : 1,728,852.92 = 343,040.60 : x
  2. Step 2: Convert to fraction form
    1,152,670.72/1,728,852.92 = 343,040.60/x
  3. Step 3: Cross multiply
    1,152,670.72x = 1,728,852.92 × 343,040.60
  4. Step 4: Simplify right side
    1,152,670.72x = 593,066,742,988.55
  5. Step 5: Solve for x
    x = 593,066,742,988.55/1,152,670.72
  6. Step 6: Final answer
    x = 514,515.32

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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.