Home / 1,139,107.16-1,708,662.40-465,188.47

Finding the Fourth Proportional to 1,139,107.16, 1,708,662.40 and 465,188.47

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Solution

The fourth proportional to 1,139,107.16, 1,708,662.40 and 465,188.47 is: 697,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,107.16 : 1,708,662.40 = 465,188.47 : x
  2. Step 2: Convert to fraction form
    1,139,107.16/1,708,662.40 = 465,188.47/x
  3. Step 3: Cross multiply
    1,139,107.16x = 1,708,662.40 × 465,188.47
  4. Step 4: Simplify right side
    1,139,107.16x = 794,850,036,733.27
  5. Step 5: Solve for x
    x = 794,850,036,733.27/1,139,107.16
  6. Step 6: Final answer
    x = 697,783.38

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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.