Home / 1,297,358.30-1,946,223.18-398,875.49

Finding the Fourth Proportional to 1,297,358.30, 1,946,223.18 and 398,875.49

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Solution

The fourth proportional to 1,297,358.30, 1,946,223.18 and 398,875.49 is: 598,370.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,358.30 : 1,946,223.18 = 398,875.49 : x
  2. Step 2: Convert to fraction form
    1,297,358.30/1,946,223.18 = 398,875.49/x
  3. Step 3: Cross multiply
    1,297,358.30x = 1,946,223.18 × 398,875.49
  4. Step 4: Simplify right side
    1,297,358.30x = 776,300,724,571.86
  5. Step 5: Solve for x
    x = 776,300,724,571.86/1,297,358.30
  6. Step 6: Final answer
    x = 598,370.34

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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.