Home / 1,201,946.31-1,658,817.77-766,379.12

Finding the Fourth Proportional to 1,201,946.31, 1,658,817.77 and 766,379.12

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Solution

The fourth proportional to 1,201,946.31, 1,658,817.77 and 766,379.12 is: 1,057,687.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,946.31 : 1,658,817.77 = 766,379.12 : x
  2. Step 2: Convert to fraction form
    1,201,946.31/1,658,817.77 = 766,379.12/x
  3. Step 3: Cross multiply
    1,201,946.31x = 1,658,817.77 × 766,379.12
  4. Step 4: Simplify right side
    1,201,946.31x = 1,271,283,290,686.98
  5. Step 5: Solve for x
    x = 1,271,283,290,686.98/1,201,946.31
  6. Step 6: Final answer
    x = 1,057,687.25

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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.