Home / 1,020,770-1,530,640.20-594,443.60

Finding the Fourth Proportional to 1,020,770, 1,530,640.20 and 594,443.60

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Solution

The fourth proportional to 1,020,770, 1,530,640.20 and 594,443.60 is: 891,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,770 : 1,530,640.20 = 594,443.60 : x
  2. Step 2: Convert to fraction form
    1,020,770/1,530,640.20 = 594,443.60/x
  3. Step 3: Cross multiply
    1,020,770x = 1,530,640.20 × 594,443.60
  4. Step 4: Simplify right side
    1,020,770x = 909,879,270,792.72
  5. Step 5: Solve for x
    x = 909,879,270,792.72/1,020,770
  6. Step 6: Final answer
    x = 891,365.61

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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.