Home / 1,235,120.49-1,851,730.94-627,409.42

Finding the Fourth Proportional to 1,235,120.49, 1,851,730.94 and 627,409.42

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Solution

The fourth proportional to 1,235,120.49, 1,851,730.94 and 627,409.42 is: 940,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,120.49 : 1,851,730.94 = 627,409.42 : x
  2. Step 2: Convert to fraction form
    1,235,120.49/1,851,730.94 = 627,409.42/x
  3. Step 3: Cross multiply
    1,235,120.49x = 1,851,730.94 × 627,409.42
  4. Step 4: Simplify right side
    1,235,120.49x = 1,161,793,432,000.65
  5. Step 5: Solve for x
    x = 1,161,793,432,000.65/1,235,120.49
  6. Step 6: Final answer
    x = 940,631.66

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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.