Finding the Fourth Proportional to 1,519,433.41, 2,279,153.98 and 620,875
Calculator
Solution
The fourth proportional to 1,519,433.41, 2,279,153.98 and 620,875 is: 931,314.08
Step by Step Solution
- Step 1: Write the proportion equation
1,519,433.41 : 2,279,153.98 = 620,875 : x - Step 2: Convert to fraction form
1,519,433.41/2,279,153.98 = 620,875/x - Step 3: Cross multiply
1,519,433.41x = 2,279,153.98 × 620,875 - Step 4: Simplify right side
1,519,433.41x = 1,415,069,727,332.50 - Step 5: Solve for x
x = 1,415,069,727,332.50/1,519,433.41 - Step 6: Final answer
x = 931,314.08
Related Problems
Find fourth proportional to 759,716.71, 1,139,576.99 and 310,437.50
Half scale
Find fourth proportional to 3,038,866.82, 4,558,307.96 and 1,241,750
Double scale
Find fourth proportional to 1,519,434.41, 2,279,155.48 and 620,876
Similar ratio
Find fourth proportional to 2,279,150.12, 3,418,730.97 and 931,312.50
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.