Finding the Fourth Proportional to 1,235,283.94, 1,853,075.40 and 436,402
Calculator
Solution
The fourth proportional to 1,235,283.94, 1,853,075.40 and 436,402 is: 654,655.81
Step by Step Solution
- Step 1: Write the proportion equation
1,235,283.94 : 1,853,075.40 = 436,402 : x - Step 2: Convert to fraction form
1,235,283.94/1,853,075.40 = 436,402/x - Step 3: Cross multiply
1,235,283.94x = 1,853,075.40 × 436,402 - Step 4: Simplify right side
1,235,283.94x = 808,685,810,710.80 - Step 5: Solve for x
x = 808,685,810,710.80/1,235,283.94 - Step 6: Final answer
x = 654,655.81
Related Problems
Find fourth proportional to 617,641.97, 926,537.70 and 218,201
Half scale
Find fourth proportional to 2,470,567.88, 3,706,150.80 and 872,804
Double scale
Find fourth proportional to 1,235,284.94, 1,853,076.90 and 436,403
Similar ratio
Find fourth proportional to 1,852,925.91, 2,779,613.10 and 654,603
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.