Home / 1,158,781.60-1,738,172.40-1,018,698.40

Finding the Fourth Proportional to 1,158,781.60, 1,738,172.40 and 1,018,698.40

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Solution

The fourth proportional to 1,158,781.60, 1,738,172.40 and 1,018,698.40 is: 1,528,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,781.60 : 1,738,172.40 = 1,018,698.40 : x
  2. Step 2: Convert to fraction form
    1,158,781.60/1,738,172.40 = 1,018,698.40/x
  3. Step 3: Cross multiply
    1,158,781.60x = 1,738,172.40 × 1,018,698.40
  4. Step 4: Simplify right side
    1,158,781.60x = 1,770,673,442,804.16
  5. Step 5: Solve for x
    x = 1,770,673,442,804.16/1,158,781.60
  6. Step 6: Final answer
    x = 1,528,047.60

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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.