Home / 1,078,584.18-1,488,985.04-670,817.46

Finding the Fourth Proportional to 1,078,584.18, 1,488,985.04 and 670,817.46

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Solution

The fourth proportional to 1,078,584.18, 1,488,985.04 and 670,817.46 is: 926,063.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,584.18 : 1,488,985.04 = 670,817.46 : x
  2. Step 2: Convert to fraction form
    1,078,584.18/1,488,985.04 = 670,817.46/x
  3. Step 3: Cross multiply
    1,078,584.18x = 1,488,985.04 × 670,817.46
  4. Step 4: Simplify right side
    1,078,584.18x = 998,837,169,771.54
  5. Step 5: Solve for x
    x = 998,837,169,771.54/1,078,584.18
  6. Step 6: Final answer
    x = 926,063.25

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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.