Home / 1,972,148.34-2,959,901.10-774,907.86

Finding the Fourth Proportional to 1,972,148.34, 2,959,901.10 and 774,907.86

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Solution

The fourth proportional to 1,972,148.34, 2,959,901.10 and 774,907.86 is: 1,163,021.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,148.34 : 2,959,901.10 = 774,907.86 : x
  2. Step 2: Convert to fraction form
    1,972,148.34/2,959,901.10 = 774,907.86/x
  3. Step 3: Cross multiply
    1,972,148.34x = 2,959,901.10 × 774,907.86
  4. Step 4: Simplify right side
    1,972,148.34x = 2,293,650,627,212.65
  5. Step 5: Solve for x
    x = 2,293,650,627,212.65/1,972,148.34
  6. Step 6: Final answer
    x = 1,163,021.35

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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.