Home / 1,300,885.48-1,949,305.32-902,305

Finding the Fourth Proportional to 1,300,885.48, 1,949,305.32 and 902,305

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Solution

The fourth proportional to 1,300,885.48, 1,949,305.32 and 902,305 is: 1,352,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,885.48 : 1,949,305.32 = 902,305 : x
  2. Step 2: Convert to fraction form
    1,300,885.48/1,949,305.32 = 902,305/x
  3. Step 3: Cross multiply
    1,300,885.48x = 1,949,305.32 × 902,305
  4. Step 4: Simplify right side
    1,300,885.48x = 1,758,867,936,762.60
  5. Step 5: Solve for x
    x = 1,758,867,936,762.60/1,300,885.48
  6. Step 6: Final answer
    x = 1,352,054.40

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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.