Home / 1,077,622.12-1,616,433.18-478,442.44

Finding the Fourth Proportional to 1,077,622.12, 1,616,433.18 and 478,442.44

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Solution

The fourth proportional to 1,077,622.12, 1,616,433.18 and 478,442.44 is: 717,663.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,622.12 : 1,616,433.18 = 478,442.44 : x
  2. Step 2: Convert to fraction form
    1,077,622.12/1,616,433.18 = 478,442.44/x
  3. Step 3: Cross multiply
    1,077,622.12x = 1,616,433.18 × 478,442.44
  4. Step 4: Simplify right side
    1,077,622.12x = 773,370,234,736.16
  5. Step 5: Solve for x
    x = 773,370,234,736.16/1,077,622.12
  6. Step 6: Final answer
    x = 717,663.66

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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.