Home / 1,186,225.18-1,778,969.74-427,968.06

Finding the Fourth Proportional to 1,186,225.18, 1,778,969.74 and 427,968.06

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Solution

The fourth proportional to 1,186,225.18, 1,778,969.74 and 427,968.06 is: 641,819.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,225.18 : 1,778,969.74 = 427,968.06 : x
  2. Step 2: Convert to fraction form
    1,186,225.18/1,778,969.74 = 427,968.06/x
  3. Step 3: Cross multiply
    1,186,225.18x = 1,778,969.74 × 427,968.06
  4. Step 4: Simplify right side
    1,186,225.18x = 761,342,228,426.50
  5. Step 5: Solve for x
    x = 761,342,228,426.50/1,186,225.18
  6. Step 6: Final answer
    x = 641,819.31

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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.