Home / 1,427,782.76-2,140,985.21-828,894.68

Finding the Fourth Proportional to 1,427,782.76, 2,140,985.21 and 828,894.68

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Solution

The fourth proportional to 1,427,782.76, 2,140,985.21 and 828,894.68 is: 1,242,942.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,782.76 : 2,140,985.21 = 828,894.68 : x
  2. Step 2: Convert to fraction form
    1,427,782.76/2,140,985.21 = 828,894.68/x
  3. Step 3: Cross multiply
    1,427,782.76x = 2,140,985.21 × 828,894.68
  4. Step 4: Simplify right side
    1,427,782.76x = 1,774,651,250,527.68
  5. Step 5: Solve for x
    x = 1,774,651,250,527.68/1,427,782.76
  6. Step 6: Final answer
    x = 1,242,942.06

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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.