Home / 1,077,622.62-1,616,433.93-478,442.94

Finding the Fourth Proportional to 1,077,622.62, 1,616,433.93 and 478,442.94

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Solution

The fourth proportional to 1,077,622.62, 1,616,433.93 and 478,442.94 is: 717,664.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,622.62 : 1,616,433.93 = 478,442.94 : x
  2. Step 2: Convert to fraction form
    1,077,622.62/1,616,433.93 = 478,442.94/x
  3. Step 3: Cross multiply
    1,077,622.62x = 1,616,433.93 × 478,442.94
  4. Step 4: Simplify right side
    1,077,622.62x = 773,371,401,784.95
  5. Step 5: Solve for x
    x = 773,371,401,784.95/1,077,622.62
  6. Step 6: Final answer
    x = 717,664.41

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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.