Home / 1,688,222.82-2,329,969.38-962,904.27

Finding the Fourth Proportional to 1,688,222.82, 2,329,969.38 and 962,904.27

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Solution

The fourth proportional to 1,688,222.82, 2,329,969.38 and 962,904.27 is: 1,328,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,222.82 : 2,329,969.38 = 962,904.27 : x
  2. Step 2: Convert to fraction form
    1,688,222.82/2,329,969.38 = 962,904.27/x
  3. Step 3: Cross multiply
    1,688,222.82x = 2,329,969.38 × 962,904.27
  4. Step 4: Simplify right side
    1,688,222.82x = 2,243,537,464,971.25
  5. Step 5: Solve for x
    x = 2,243,537,464,971.25/1,688,222.82
  6. Step 6: Final answer
    x = 1,328,934.45

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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.