Home / 1,477,083.12-2,215,998.40-412,124.72

Finding the Fourth Proportional to 1,477,083.12, 2,215,998.40 and 412,124.72

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Solution

The fourth proportional to 1,477,083.12, 2,215,998.40 and 412,124.72 is: 618,291.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,083.12 : 2,215,998.40 = 412,124.72 : x
  2. Step 2: Convert to fraction form
    1,477,083.12/2,215,998.40 = 412,124.72/x
  3. Step 3: Cross multiply
    1,477,083.12x = 2,215,998.40 × 412,124.72
  4. Step 4: Simplify right side
    1,477,083.12x = 913,267,720,120.45
  5. Step 5: Solve for x
    x = 913,267,720,120.45/1,477,083.12
  6. Step 6: Final answer
    x = 618,291.35

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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.