Home / 1,308,747.80-1,963,251.30-455,688.20

Finding the Fourth Proportional to 1,308,747.80, 1,963,251.30 and 455,688.20

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Solution

The fourth proportional to 1,308,747.80, 1,963,251.30 and 455,688.20 is: 683,577.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,747.80 : 1,963,251.30 = 455,688.20 : x
  2. Step 2: Convert to fraction form
    1,308,747.80/1,963,251.30 = 455,688.20/x
  3. Step 3: Cross multiply
    1,308,747.80x = 1,963,251.30 × 455,688.20
  4. Step 4: Simplify right side
    1,308,747.80x = 894,630,451,044.66
  5. Step 5: Solve for x
    x = 894,630,451,044.66/1,308,747.80
  6. Step 6: Final answer
    x = 683,577.42

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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.