Home / 1,008,085.73-1,512,128.60-688,751.33

Finding the Fourth Proportional to 1,008,085.73, 1,512,128.60 and 688,751.33

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Solution

The fourth proportional to 1,008,085.73, 1,512,128.60 and 688,751.33 is: 1,033,127.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,085.73 : 1,512,128.60 = 688,751.33 : x
  2. Step 2: Convert to fraction form
    1,008,085.73/1,512,128.60 = 688,751.33/x
  3. Step 3: Cross multiply
    1,008,085.73x = 1,512,128.60 × 688,751.33
  4. Step 4: Simplify right side
    1,008,085.73x = 1,041,480,584,381.04
  5. Step 5: Solve for x
    x = 1,041,480,584,381.04/1,008,085.73
  6. Step 6: Final answer
    x = 1,033,127.00

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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.