Home / 1,262,298.99-1,740,790.16-1,005,025.21

Finding the Fourth Proportional to 1,262,298.99, 1,740,790.16 and 1,005,025.21

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Solution

The fourth proportional to 1,262,298.99, 1,740,790.16 and 1,005,025.21 is: 1,385,993.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,298.99 : 1,740,790.16 = 1,005,025.21 : x
  2. Step 2: Convert to fraction form
    1,262,298.99/1,740,790.16 = 1,005,025.21/x
  3. Step 3: Cross multiply
    1,262,298.99x = 1,740,790.16 × 1,005,025.21
  4. Step 4: Simplify right side
    1,262,298.99x = 1,749,537,996,119.93
  5. Step 5: Solve for x
    x = 1,749,537,996,119.93/1,262,298.99
  6. Step 6: Final answer
    x = 1,385,993.34

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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.