Home / 1,808,684.32-2,712,998.88-611,447.64

Finding the Fourth Proportional to 1,808,684.32, 2,712,998.88 and 611,447.64

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Solution

The fourth proportional to 1,808,684.32, 2,712,998.88 and 611,447.64 is: 917,162.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,684.32 : 2,712,998.88 = 611,447.64 : x
  2. Step 2: Convert to fraction form
    1,808,684.32/2,712,998.88 = 611,447.64/x
  3. Step 3: Cross multiply
    1,808,684.32x = 2,712,998.88 × 611,447.64
  4. Step 4: Simplify right side
    1,808,684.32x = 1,658,856,762,498.64
  5. Step 5: Solve for x
    x = 1,658,856,762,498.64/1,808,684.32
  6. Step 6: Final answer
    x = 917,162.13

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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.