Home / 1,240,885.44-1,712,415.72-697,029.60

Finding the Fourth Proportional to 1,240,885.44, 1,712,415.72 and 697,029.60

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Solution

The fourth proportional to 1,240,885.44, 1,712,415.72 and 697,029.60 is: 961,897.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,885.44 : 1,712,415.72 = 697,029.60 : x
  2. Step 2: Convert to fraction form
    1,240,885.44/1,712,415.72 = 697,029.60/x
  3. Step 3: Cross multiply
    1,240,885.44x = 1,712,415.72 × 697,029.60
  4. Step 4: Simplify right side
    1,240,885.44x = 1,193,604,444,345.31
  5. Step 5: Solve for x
    x = 1,193,604,444,345.31/1,240,885.44
  6. Step 6: Final answer
    x = 961,897.37

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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.