Home / 1,366,964.02-1,885,007.73-907,912.18

Finding the Fourth Proportional to 1,366,964.02, 1,885,007.73 and 907,912.18

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Solution

The fourth proportional to 1,366,964.02, 1,885,007.73 and 907,912.18 is: 1,251,987.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,964.02 : 1,885,007.73 = 907,912.18 : x
  2. Step 2: Convert to fraction form
    1,366,964.02/1,885,007.73 = 907,912.18/x
  3. Step 3: Cross multiply
    1,366,964.02x = 1,885,007.73 × 907,912.18
  4. Step 4: Simplify right side
    1,366,964.02x = 1,711,421,477,461.15
  5. Step 5: Solve for x
    x = 1,711,421,477,461.15/1,366,964.02
  6. Step 6: Final answer
    x = 1,251,987.22

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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.