Home / 1,247,474.25-1,870,929.18-572,907.09

Finding the Fourth Proportional to 1,247,474.25, 1,870,929.18 and 572,907.09

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Solution

The fourth proportional to 1,247,474.25, 1,870,929.18 and 572,907.09 is: 859,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,474.25 : 1,870,929.18 = 572,907.09 : x
  2. Step 2: Convert to fraction form
    1,247,474.25/1,870,929.18 = 572,907.09/x
  3. Step 3: Cross multiply
    1,247,474.25x = 1,870,929.18 × 572,907.09
  4. Step 4: Simplify right side
    1,247,474.25x = 1,071,868,590,427.27
  5. Step 5: Solve for x
    x = 1,071,868,590,427.27/1,247,474.25
  6. Step 6: Final answer
    x = 859,231.03

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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.