Home / 1,284,492.48-1,927,009.08-485,756.16

Finding the Fourth Proportional to 1,284,492.48, 1,927,009.08 and 485,756.16

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Solution

The fourth proportional to 1,284,492.48, 1,927,009.08 and 485,756.16 is: 728,736.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,492.48 : 1,927,009.08 = 485,756.16 : x
  2. Step 2: Convert to fraction form
    1,284,492.48/1,927,009.08 = 485,756.16/x
  3. Step 3: Cross multiply
    1,284,492.48x = 1,927,009.08 × 485,756.16
  4. Step 4: Simplify right side
    1,284,492.48x = 936,056,530,985.93
  5. Step 5: Solve for x
    x = 936,056,530,985.93/1,284,492.48
  6. Step 6: Final answer
    x = 728,736.48

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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.