Home / 1,030,945.11-1,422,635.88-572,030.60

Finding the Fourth Proportional to 1,030,945.11, 1,422,635.88 and 572,030.60

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Solution

The fourth proportional to 1,030,945.11, 1,422,635.88 and 572,030.60 is: 789,364.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,945.11 : 1,422,635.88 = 572,030.60 : x
  2. Step 2: Convert to fraction form
    1,030,945.11/1,422,635.88 = 572,030.60/x
  3. Step 3: Cross multiply
    1,030,945.11x = 1,422,635.88 × 572,030.60
  4. Step 4: Simplify right side
    1,030,945.11x = 813,791,248,904.75
  5. Step 5: Solve for x
    x = 813,791,248,904.75/1,030,945.11
  6. Step 6: Final answer
    x = 789,364.28

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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.