Home / 1,020,365.73-1,530,770.01-310,375.32

Finding the Fourth Proportional to 1,020,365.73, 1,530,770.01 and 310,375.32

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Solution

The fourth proportional to 1,020,365.73, 1,530,770.01 and 310,375.32 is: 465,630.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,365.73 : 1,530,770.01 = 310,375.32 : x
  2. Step 2: Convert to fraction form
    1,020,365.73/1,530,770.01 = 310,375.32/x
  3. Step 3: Cross multiply
    1,020,365.73x = 1,530,770.01 × 310,375.32
  4. Step 4: Simplify right side
    1,020,365.73x = 475,113,231,700.15
  5. Step 5: Solve for x
    x = 475,113,231,700.15/1,020,365.73
  6. Step 6: Final answer
    x = 465,630.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.