Home / 1,417,940.32-2,121,914.40-885,712

Finding the Fourth Proportional to 1,417,940.32, 2,121,914.40 and 885,712

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Solution

The fourth proportional to 1,417,940.32, 2,121,914.40 and 885,712 is: 1,325,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,940.32 : 2,121,914.40 = 885,712 : x
  2. Step 2: Convert to fraction form
    1,417,940.32/2,121,914.40 = 885,712/x
  3. Step 3: Cross multiply
    1,417,940.32x = 2,121,914.40 × 885,712
  4. Step 4: Simplify right side
    1,417,940.32x = 1,879,405,047,052.80
  5. Step 5: Solve for x
    x = 1,879,405,047,052.80/1,417,940.32
  6. Step 6: Final answer
    x = 1,325,447.21

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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.