Home / 1,030,780.01-1,422,428.20-571,889.70

Finding the Fourth Proportional to 1,030,780.01, 1,422,428.20 and 571,889.70

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Solution

The fourth proportional to 1,030,780.01, 1,422,428.20 and 571,889.70 is: 789,181.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,780.01 : 1,422,428.20 = 571,889.70 : x
  2. Step 2: Convert to fraction form
    1,030,780.01/1,422,428.20 = 571,889.70/x
  3. Step 3: Cross multiply
    1,030,780.01x = 1,422,428.20 × 571,889.70
  4. Step 4: Simplify right side
    1,030,780.01x = 813,472,035,139.82
  5. Step 5: Solve for x
    x = 813,472,035,139.82/1,030,780.01
  6. Step 6: Final answer
    x = 789,181.03

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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.