Home / 1,377,005.36-2,065,858.48-808,866.88

Finding the Fourth Proportional to 1,377,005.36, 2,065,858.48 and 808,866.88

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Solution

The fourth proportional to 1,377,005.36, 2,065,858.48 and 808,866.88 is: 1,213,506.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,005.36 : 2,065,858.48 = 808,866.88 : x
  2. Step 2: Convert to fraction form
    1,377,005.36/2,065,858.48 = 808,866.88/x
  3. Step 3: Cross multiply
    1,377,005.36x = 2,065,858.48 × 808,866.88
  4. Step 4: Simplify right side
    1,377,005.36x = 1,671,004,503,239.14
  5. Step 5: Solve for x
    x = 1,671,004,503,239.14/1,377,005.36
  6. Step 6: Final answer
    x = 1,213,506.17

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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.