Home / 1,020,625.80-1,530,971.86-300,907.15

Finding the Fourth Proportional to 1,020,625.80, 1,530,971.86 and 300,907.15

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Solution

The fourth proportional to 1,020,625.80, 1,530,971.86 and 300,907.15 is: 451,370.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,625.80 : 1,530,971.86 = 300,907.15 : x
  2. Step 2: Convert to fraction form
    1,020,625.80/1,530,971.86 = 300,907.15/x
  3. Step 3: Cross multiply
    1,020,625.80x = 1,530,971.86 × 300,907.15
  4. Step 4: Simplify right side
    1,020,625.80x = 460,680,372,972.93
  5. Step 5: Solve for x
    x = 460,680,372,972.93/1,020,625.80
  6. Step 6: Final answer
    x = 451,370.50

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1.5x scale

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.