Home / 1,492,087.68-2,059,041.60-812,983.68

Finding the Fourth Proportional to 1,492,087.68, 2,059,041.60 and 812,983.68

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Solution

The fourth proportional to 1,492,087.68, 2,059,041.60 and 812,983.68 is: 1,121,896.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,087.68 : 2,059,041.60 = 812,983.68 : x
  2. Step 2: Convert to fraction form
    1,492,087.68/2,059,041.60 = 812,983.68/x
  3. Step 3: Cross multiply
    1,492,087.68x = 2,059,041.60 × 812,983.68
  4. Step 4: Simplify right side
    1,492,087.68x = 1,673,967,217,241.09
  5. Step 5: Solve for x
    x = 1,673,967,217,241.09/1,492,087.68
  6. Step 6: Final answer
    x = 1,121,896.01

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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.