Home / 1,020,765-1,408,655.72-568,056.36

Finding the Fourth Proportional to 1,020,765, 1,408,655.72 and 568,056.36

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Solution

The fourth proportional to 1,020,765, 1,408,655.72 and 568,056.36 is: 783,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,765 : 1,408,655.72 = 568,056.36 : x
  2. Step 2: Convert to fraction form
    1,020,765/1,408,655.72 = 568,056.36/x
  3. Step 3: Cross multiply
    1,020,765x = 1,408,655.72 × 568,056.36
  4. Step 4: Simplify right side
    1,020,765x = 800,195,840,796.38
  5. Step 5: Solve for x
    x = 800,195,840,796.38/1,020,765
  6. Step 6: Final answer
    x = 783,917.79

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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.