Home / 1,030,538.72-1,422,313.56-571,800.89

Finding the Fourth Proportional to 1,030,538.72, 1,422,313.56 and 571,800.89

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Solution

The fourth proportional to 1,030,538.72, 1,422,313.56 and 571,800.89 is: 789,179.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,538.72 : 1,422,313.56 = 571,800.89 : x
  2. Step 2: Convert to fraction form
    1,030,538.72/1,422,313.56 = 571,800.89/x
  3. Step 3: Cross multiply
    1,030,538.72x = 1,422,313.56 × 571,800.89
  4. Step 4: Simplify right side
    1,030,538.72x = 813,280,152,355.50
  5. Step 5: Solve for x
    x = 813,280,152,355.50/1,030,538.72
  6. Step 6: Final answer
    x = 789,179.62

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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.