Home / 1,296,985.75-1,776,862.19-1,248,484.60

Finding the Fourth Proportional to 1,296,985.75, 1,776,862.19 and 1,248,484.60

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Solution

The fourth proportional to 1,296,985.75, 1,776,862.19 and 1,248,484.60 is: 1,710,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,985.75 : 1,776,862.19 = 1,248,484.60 : x
  2. Step 2: Convert to fraction form
    1,296,985.75/1,776,862.19 = 1,248,484.60/x
  3. Step 3: Cross multiply
    1,296,985.75x = 1,776,862.19 × 1,248,484.60
  4. Step 4: Simplify right side
    1,296,985.75x = 2,218,385,080,537.27
  5. Step 5: Solve for x
    x = 2,218,385,080,537.27/1,296,985.75
  6. Step 6: Final answer
    x = 1,710,415.92

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.