Home / 1,142,835.42-1,714,235.67-278,278.44

Finding the Fourth Proportional to 1,142,835.42, 1,714,235.67 and 278,278.44

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Solution

The fourth proportional to 1,142,835.42, 1,714,235.67 and 278,278.44 is: 417,413.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,835.42 : 1,714,235.67 = 278,278.44 : x
  2. Step 2: Convert to fraction form
    1,142,835.42/1,714,235.67 = 278,278.44/x
  3. Step 3: Cross multiply
    1,142,835.42x = 1,714,235.67 × 278,278.44
  4. Step 4: Simplify right side
    1,142,835.42x = 477,034,828,039.96
  5. Step 5: Solve for x
    x = 477,034,828,039.96/1,142,835.42
  6. Step 6: Final answer
    x = 417,413.41

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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.