Home / 1,457,364.64-2,171,558.92-1,298,371.36

Finding the Fourth Proportional to 1,457,364.64, 2,171,558.92 and 1,298,371.36

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Solution

The fourth proportional to 1,457,364.64, 2,171,558.92 and 1,298,371.36 is: 1,934,649.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,364.64 : 2,171,558.92 = 1,298,371.36 : x
  2. Step 2: Convert to fraction form
    1,457,364.64/2,171,558.92 = 1,298,371.36/x
  3. Step 3: Cross multiply
    1,457,364.64x = 2,171,558.92 × 1,298,371.36
  4. Step 4: Simplify right side
    1,457,364.64x = 2,819,489,908,280.53
  5. Step 5: Solve for x
    x = 2,819,489,908,280.53/1,457,364.64
  6. Step 6: Final answer
    x = 1,934,649.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.