Home / 1,457,617.44-2,011,515.12-813,021.04

Finding the Fourth Proportional to 1,457,617.44, 2,011,515.12 and 813,021.04

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Solution

The fourth proportional to 1,457,617.44, 2,011,515.12 and 813,021.04 is: 1,121,970.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,617.44 : 2,011,515.12 = 813,021.04 : x
  2. Step 2: Convert to fraction form
    1,457,617.44/2,011,515.12 = 813,021.04/x
  3. Step 3: Cross multiply
    1,457,617.44x = 2,011,515.12 × 813,021.04
  4. Step 4: Simplify right side
    1,457,617.44x = 1,635,404,114,838.13
  5. Step 5: Solve for x
    x = 1,635,404,114,838.13/1,457,617.44
  6. Step 6: Final answer
    x = 1,121,970.74

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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.