Home / 1,208,111.08-1,808,223.52-888,178.36

Finding the Fourth Proportional to 1,208,111.08, 1,808,223.52 and 888,178.36

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Solution

The fourth proportional to 1,208,111.08, 1,808,223.52 and 888,178.36 is: 1,329,368.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,111.08 : 1,808,223.52 = 888,178.36 : x
  2. Step 2: Convert to fraction form
    1,208,111.08/1,808,223.52 = 888,178.36/x
  3. Step 3: Cross multiply
    1,208,111.08x = 1,808,223.52 × 888,178.36
  4. Step 4: Simplify right side
    1,208,111.08x = 1,606,025,000,507.03
  5. Step 5: Solve for x
    x = 1,606,025,000,507.03/1,208,111.08
  6. Step 6: Final answer
    x = 1,329,368.65

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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.