Home / 1,642,352.04-2,266,379.46-917,188.20

Finding the Fourth Proportional to 1,642,352.04, 2,266,379.46 and 917,188.20

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Solution

The fourth proportional to 1,642,352.04, 2,266,379.46 and 917,188.20 is: 1,265,682.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,352.04 : 2,266,379.46 = 917,188.20 : x
  2. Step 2: Convert to fraction form
    1,642,352.04/2,266,379.46 = 917,188.20/x
  3. Step 3: Cross multiply
    1,642,352.04x = 2,266,379.46 × 917,188.20
  4. Step 4: Simplify right side
    1,642,352.04x = 2,078,696,497,434.37
  5. Step 5: Solve for x
    x = 2,078,696,497,434.37/1,642,352.04
  6. Step 6: Final answer
    x = 1,265,682.66

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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.