Home / 1,029,293.01-1,420,383.35-570,427.20

Finding the Fourth Proportional to 1,029,293.01, 1,420,383.35 and 570,427.20

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Solution

The fourth proportional to 1,029,293.01, 1,420,383.35 and 570,427.20 is: 787,166.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,293.01 : 1,420,383.35 = 570,427.20 : x
  2. Step 2: Convert to fraction form
    1,029,293.01/1,420,383.35 = 570,427.20/x
  3. Step 3: Cross multiply
    1,029,293.01x = 1,420,383.35 × 570,427.20
  4. Step 4: Simplify right side
    1,029,293.01x = 810,225,294,414.98
  5. Step 5: Solve for x
    x = 810,225,294,414.98/1,029,293.01
  6. Step 6: Final answer
    x = 787,166.81

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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.