Home / 1,072,587.41-1,608,881.12-398,838.32

Finding the Fourth Proportional to 1,072,587.41, 1,608,881.12 and 398,838.32

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Solution

The fourth proportional to 1,072,587.41, 1,608,881.12 and 398,838.32 is: 598,257.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,587.41 : 1,608,881.12 = 398,838.32 : x
  2. Step 2: Convert to fraction form
    1,072,587.41/1,608,881.12 = 398,838.32/x
  3. Step 3: Cross multiply
    1,072,587.41x = 1,608,881.12 × 398,838.32
  4. Step 4: Simplify right side
    1,072,587.41x = 641,683,432,941.92
  5. Step 5: Solve for x
    x = 641,683,432,941.92/1,072,587.41
  6. Step 6: Final answer
    x = 598,257.48

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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.