Home / 902,186.46-1,353,279.15-842,399.40

Finding the Fourth Proportional to 902,186.46, 1,353,279.15 and 842,399.40

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Solution

The fourth proportional to 902,186.46, 1,353,279.15 and 842,399.40 is: 1,263,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,186.46 : 1,353,279.15 = 842,399.40 : x
  2. Step 2: Convert to fraction form
    902,186.46/1,353,279.15 = 842,399.40/x
  3. Step 3: Cross multiply
    902,186.46x = 1,353,279.15 × 842,399.40
  4. Step 4: Simplify right side
    902,186.46x = 1,140,001,543,992.51
  5. Step 5: Solve for x
    x = 1,140,001,543,992.51/902,186.46
  6. Step 6: Final answer
    x = 1,263,598.60

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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.