Home / 1,308,830.90-1,963,246.35-1,072,634.90

Finding the Fourth Proportional to 1,308,830.90, 1,963,246.35 and 1,072,634.90

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Solution

The fourth proportional to 1,308,830.90, 1,963,246.35 and 1,072,634.90 is: 1,608,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,830.90 : 1,963,246.35 = 1,072,634.90 : x
  2. Step 2: Convert to fraction form
    1,308,830.90/1,963,246.35 = 1,072,634.90/x
  3. Step 3: Cross multiply
    1,308,830.90x = 1,963,246.35 × 1,072,634.90
  4. Step 4: Simplify right side
    1,308,830.90x = 2,105,846,552,307.62
  5. Step 5: Solve for x
    x = 2,105,846,552,307.62/1,308,830.90
  6. Step 6: Final answer
    x = 1,608,952.35

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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.