Home / 1,047,575.28-1,571,888.79-478,905.75

Finding the Fourth Proportional to 1,047,575.28, 1,571,888.79 and 478,905.75

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Solution

The fourth proportional to 1,047,575.28, 1,571,888.79 and 478,905.75 is: 718,599.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,575.28 : 1,571,888.79 = 478,905.75 : x
  2. Step 2: Convert to fraction form
    1,047,575.28/1,571,888.79 = 478,905.75/x
  3. Step 3: Cross multiply
    1,047,575.28x = 1,571,888.79 × 478,905.75
  4. Step 4: Simplify right side
    1,047,575.28x = 752,786,579,891.54
  5. Step 5: Solve for x
    x = 752,786,579,891.54/1,047,575.28
  6. Step 6: Final answer
    x = 718,599.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.