Home / 1,972,148.84-2,959,901.85-774,908.36

Finding the Fourth Proportional to 1,972,148.84, 2,959,901.85 and 774,908.36

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Solution

The fourth proportional to 1,972,148.84, 2,959,901.85 and 774,908.36 is: 1,163,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,148.84 : 2,959,901.85 = 774,908.36 : x
  2. Step 2: Convert to fraction form
    1,972,148.84/2,959,901.85 = 774,908.36/x
  3. Step 3: Cross multiply
    1,972,148.84x = 2,959,901.85 × 774,908.36
  4. Step 4: Simplify right side
    1,972,148.84x = 2,293,652,688,344.47
  5. Step 5: Solve for x
    x = 2,293,652,688,344.47/1,972,148.84
  6. Step 6: Final answer
    x = 1,163,022.10

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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.