Home / 1,180,174.08-1,628,622.72-663,888.96

Finding the Fourth Proportional to 1,180,174.08, 1,628,622.72 and 663,888.96

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Solution

The fourth proportional to 1,180,174.08, 1,628,622.72 and 663,888.96 is: 916,156.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,174.08 : 1,628,622.72 = 663,888.96 : x
  2. Step 2: Convert to fraction form
    1,180,174.08/1,628,622.72 = 663,888.96/x
  3. Step 3: Cross multiply
    1,180,174.08x = 1,628,622.72 × 663,888.96
  4. Step 4: Simplify right side
    1,180,174.08x = 1,081,224,643,813.17
  5. Step 5: Solve for x
    x = 1,081,224,643,813.17/1,180,174.08
  6. Step 6: Final answer
    x = 916,156.91

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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.