Home / 1,220,267.85-1,830,495.33-410,656.25

Finding the Fourth Proportional to 1,220,267.85, 1,830,495.33 and 410,656.25

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Solution

The fourth proportional to 1,220,267.85, 1,830,495.33 and 410,656.25 is: 616,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,267.85 : 1,830,495.33 = 410,656.25 : x
  2. Step 2: Convert to fraction form
    1,220,267.85/1,830,495.33 = 410,656.25/x
  3. Step 3: Cross multiply
    1,220,267.85x = 1,830,495.33 × 410,656.25
  4. Step 4: Simplify right side
    1,220,267.85x = 751,704,338,707.84
  5. Step 5: Solve for x
    x = 751,704,338,707.84/1,220,267.85
  6. Step 6: Final answer
    x = 616,015.85

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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.