Home / 1,457,259.96-2,011,014.78-812,680.84

Finding the Fourth Proportional to 1,457,259.96, 2,011,014.78 and 812,680.84

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Solution

The fourth proportional to 1,457,259.96, 2,011,014.78 and 812,680.84 is: 1,121,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,259.96 : 2,011,014.78 = 812,680.84 : x
  2. Step 2: Convert to fraction form
    1,457,259.96/2,011,014.78 = 812,680.84/x
  3. Step 3: Cross multiply
    1,457,259.96x = 2,011,014.78 × 812,680.84
  4. Step 4: Simplify right side
    1,457,259.96x = 1,634,313,180,662.82
  5. Step 5: Solve for x
    x = 1,634,313,180,662.82/1,457,259.96
  6. Step 6: Final answer
    x = 1,121,497.35

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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.