Home / 1,688,112.87-2,329,817.52-962,794.32

Finding the Fourth Proportional to 1,688,112.87, 2,329,817.52 and 962,794.32

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Solution

The fourth proportional to 1,688,112.87, 2,329,817.52 and 962,794.32 is: 1,328,782.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,112.87 : 2,329,817.52 = 962,794.32 : x
  2. Step 2: Convert to fraction form
    1,688,112.87/2,329,817.52 = 962,794.32/x
  3. Step 3: Cross multiply
    1,688,112.87x = 2,329,817.52 × 962,794.32
  4. Step 4: Simplify right side
    1,688,112.87x = 2,243,135,074,892.49
  5. Step 5: Solve for x
    x = 2,243,135,074,892.49/1,688,112.87
  6. Step 6: Final answer
    x = 1,328,782.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.