Home / 1,223,674.49-1,688,718.38-837,299.94

Finding the Fourth Proportional to 1,223,674.49, 1,688,718.38 and 837,299.94

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Solution

The fourth proportional to 1,223,674.49, 1,688,718.38 and 837,299.94 is: 1,155,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,674.49 : 1,688,718.38 = 837,299.94 : x
  2. Step 2: Convert to fraction form
    1,223,674.49/1,688,718.38 = 837,299.94/x
  3. Step 3: Cross multiply
    1,223,674.49x = 1,688,718.38 × 837,299.94
  4. Step 4: Simplify right side
    1,223,674.49x = 1,413,963,787,731.70
  5. Step 5: Solve for x
    x = 1,413,963,787,731.70/1,223,674.49
  6. Step 6: Final answer
    x = 1,155,506.47

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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.