Home / 1,186,224.23-1,778,968.34-427,967.13

Finding the Fourth Proportional to 1,186,224.23, 1,778,968.34 and 427,967.13

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Solution

The fourth proportional to 1,186,224.23, 1,778,968.34 and 427,967.13 is: 641,817.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,224.23 : 1,778,968.34 = 427,967.13 : x
  2. Step 2: Convert to fraction form
    1,186,224.23/1,778,968.34 = 427,967.13/x
  3. Step 3: Cross multiply
    1,186,224.23x = 1,778,968.34 × 427,967.13
  4. Step 4: Simplify right side
    1,186,224.23x = 761,339,975,900.58
  5. Step 5: Solve for x
    x = 761,339,975,900.58/1,186,224.23
  6. Step 6: Final answer
    x = 641,817.93

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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.