Home / 1,407,457.28-1,942,502.40-1,107,906.56

Finding the Fourth Proportional to 1,407,457.28, 1,942,502.40 and 1,107,906.56

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Solution

The fourth proportional to 1,407,457.28, 1,942,502.40 and 1,107,906.56 is: 1,529,077.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,457.28 : 1,942,502.40 = 1,107,906.56 : x
  2. Step 2: Convert to fraction form
    1,407,457.28/1,942,502.40 = 1,107,906.56/x
  3. Step 3: Cross multiply
    1,407,457.28x = 1,942,502.40 × 1,107,906.56
  4. Step 4: Simplify right side
    1,407,457.28x = 2,152,111,151,775.74
  5. Step 5: Solve for x
    x = 2,152,111,151,775.74/1,407,457.28
  6. Step 6: Final answer
    x = 1,529,077.42

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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.