Home / 1,223,672.64-1,688,715.64-837,297.98

Finding the Fourth Proportional to 1,223,672.64, 1,688,715.64 and 837,297.98

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Solution

The fourth proportional to 1,223,672.64, 1,688,715.64 and 837,297.98 is: 1,155,503.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,672.64 : 1,688,715.64 = 837,297.98 : x
  2. Step 2: Convert to fraction form
    1,223,672.64/1,688,715.64 = 837,297.98/x
  3. Step 3: Cross multiply
    1,223,672.64x = 1,688,715.64 × 837,297.98
  4. Step 4: Simplify right side
    1,223,672.64x = 1,413,958,194,166.41
  5. Step 5: Solve for x
    x = 1,413,958,194,166.41/1,223,672.64
  6. Step 6: Final answer
    x = 1,155,503.64

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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.