Home / 1,457,914.55-2,011,922.93-813,334.74

Finding the Fourth Proportional to 1,457,914.55, 2,011,922.93 and 813,334.74

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Solution

The fourth proportional to 1,457,914.55, 2,011,922.93 and 813,334.74 is: 1,122,402.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,914.55 : 2,011,922.93 = 813,334.74 : x
  2. Step 2: Convert to fraction form
    1,457,914.55/2,011,922.93 = 813,334.74/x
  3. Step 3: Cross multiply
    1,457,914.55x = 2,011,922.93 × 813,334.74
  4. Step 4: Simplify right side
    1,457,914.55x = 1,636,366,813,171.59
  5. Step 5: Solve for x
    x = 1,636,366,813,171.59/1,457,914.55
  6. Step 6: Final answer
    x = 1,122,402.42

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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.