Home / 1,298,199.08-1,945,558-1,010,358.30

Finding the Fourth Proportional to 1,298,199.08, 1,945,558 and 1,010,358.30

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Solution

The fourth proportional to 1,298,199.08, 1,945,558 and 1,010,358.30 is: 1,514,182.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,199.08 : 1,945,558 = 1,010,358.30 : x
  2. Step 2: Convert to fraction form
    1,298,199.08/1,945,558 = 1,010,358.30/x
  3. Step 3: Cross multiply
    1,298,199.08x = 1,945,558 × 1,010,358.30
  4. Step 4: Simplify right side
    1,298,199.08x = 1,965,710,673,431.40
  5. Step 5: Solve for x
    x = 1,965,710,673,431.40/1,298,199.08
  6. Step 6: Final answer
    x = 1,514,182.77

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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.