Home / 1,457,826.64-2,011,804.04-813,230.80

Finding the Fourth Proportional to 1,457,826.64, 2,011,804.04 and 813,230.80

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Solution

The fourth proportional to 1,457,826.64, 2,011,804.04 and 813,230.80 is: 1,122,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,826.64 : 2,011,804.04 = 813,230.80 : x
  2. Step 2: Convert to fraction form
    1,457,826.64/2,011,804.04 = 813,230.80/x
  3. Step 3: Cross multiply
    1,457,826.64x = 2,011,804.04 × 813,230.80
  4. Step 4: Simplify right side
    1,457,826.64x = 1,636,061,008,892.43
  5. Step 5: Solve for x
    x = 1,636,061,008,892.43/1,457,826.64
  6. Step 6: Final answer
    x = 1,122,260.33

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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.