Home / 1,297,782.76-1,946,674.10-488,319.36

Finding the Fourth Proportional to 1,297,782.76, 1,946,674.10 and 488,319.36

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Solution

The fourth proportional to 1,297,782.76, 1,946,674.10 and 488,319.36 is: 732,479.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,782.76 : 1,946,674.10 = 488,319.36 : x
  2. Step 2: Convert to fraction form
    1,297,782.76/1,946,674.10 = 488,319.36/x
  3. Step 3: Cross multiply
    1,297,782.76x = 1,946,674.10 × 488,319.36
  4. Step 4: Simplify right side
    1,297,782.76x = 950,598,650,640.58
  5. Step 5: Solve for x
    x = 950,598,650,640.58/1,297,782.76
  6. Step 6: Final answer
    x = 732,479.02

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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.