Home / 1,093,480.60-1,640,220.90-671,387.80

Finding the Fourth Proportional to 1,093,480.60, 1,640,220.90 and 671,387.80

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Solution

The fourth proportional to 1,093,480.60, 1,640,220.90 and 671,387.80 is: 1,007,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,480.60 : 1,640,220.90 = 671,387.80 : x
  2. Step 2: Convert to fraction form
    1,093,480.60/1,640,220.90 = 671,387.80/x
  3. Step 3: Cross multiply
    1,093,480.60x = 1,640,220.90 × 671,387.80
  4. Step 4: Simplify right side
    1,093,480.60x = 1,101,224,301,565.02
  5. Step 5: Solve for x
    x = 1,101,224,301,565.02/1,093,480.60
  6. Step 6: Final answer
    x = 1,007,081.70

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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.