Home / 1,484,979.08-2,227,111.76-685,492.70

Finding the Fourth Proportional to 1,484,979.08, 2,227,111.76 and 685,492.70

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Solution

The fourth proportional to 1,484,979.08, 2,227,111.76 and 685,492.70 is: 1,028,074.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,979.08 : 2,227,111.76 = 685,492.70 : x
  2. Step 2: Convert to fraction form
    1,484,979.08/2,227,111.76 = 685,492.70/x
  3. Step 3: Cross multiply
    1,484,979.08x = 2,227,111.76 × 685,492.70
  4. Step 4: Simplify right side
    1,484,979.08x = 1,526,668,853,564.15
  5. Step 5: Solve for x
    x = 1,526,668,853,564.15/1,484,979.08
  6. Step 6: Final answer
    x = 1,028,074.32

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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.