Finding the Fourth Proportional to 1,257,794.26, 1,886,986.62 and 416,346
Calculator
Solution
The fourth proportional to 1,257,794.26, 1,886,986.62 and 416,346 is: 624,616.72
Step by Step Solution
- Step 1: Write the proportion equation
1,257,794.26 : 1,886,986.62 = 416,346 : x - Step 2: Convert to fraction form
1,257,794.26/1,886,986.62 = 416,346/x - Step 3: Cross multiply
1,257,794.26x = 1,886,986.62 × 416,346 - Step 4: Simplify right side
1,257,794.26x = 785,639,331,290.52 - Step 5: Solve for x
x = 785,639,331,290.52/1,257,794.26 - Step 6: Final answer
x = 624,616.72
Related Problems
Find fourth proportional to 628,897.13, 943,493.31 and 208,173
Half scale
Find fourth proportional to 2,515,588.52, 3,773,973.24 and 832,692
Double scale
Find fourth proportional to 1,257,795.26, 1,886,988.12 and 416,347
Similar ratio
Find fourth proportional to 1,886,691.39, 2,830,479.93 and 624,519
1.5x scale
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.