Home / 1,771,942.20-2,444,430.06-1,287,756.60

Finding the Fourth Proportional to 1,771,942.20, 2,444,430.06 and 1,287,756.60

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Solution

The fourth proportional to 1,771,942.20, 2,444,430.06 and 1,287,756.60 is: 1,776,486.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,942.20 : 2,444,430.06 = 1,287,756.60 : x
  2. Step 2: Convert to fraction form
    1,771,942.20/2,444,430.06 = 1,287,756.60/x
  3. Step 3: Cross multiply
    1,771,942.20x = 2,444,430.06 × 1,287,756.60
  4. Step 4: Simplify right side
    1,771,942.20x = 3,147,830,943,003.40
  5. Step 5: Solve for x
    x = 3,147,830,943,003.40/1,771,942.20
  6. Step 6: Final answer
    x = 1,776,486.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.