Finding the Fourth Proportional to 1,634,981.76, 2,452,972 and 836,828.84
Calculator
Solution
The fourth proportional to 1,634,981.76, 2,452,972 and 836,828.84 is: 1,255,498.85
Step by Step Solution
- Step 1: Write the proportion equation
1,634,981.76 : 2,452,972 = 836,828.84 : x - Step 2: Convert to fraction form
1,634,981.76/2,452,972 = 836,828.84/x - Step 3: Cross multiply
1,634,981.76x = 2,452,972 × 836,828.84 - Step 4: Simplify right side
1,634,981.76x = 2,052,717,713,312.48 - Step 5: Solve for x
x = 2,052,717,713,312.48/1,634,981.76 - Step 6: Final answer
x = 1,255,498.85
Related Problems
Find fourth proportional to 817,490.88, 1,226,486 and 418,414.42
Half scale
Find fourth proportional to 3,269,963.52, 4,905,944 and 1,673,657.68
Double scale
Find fourth proportional to 1,634,982.76, 2,452,973.50 and 836,829.84
Similar ratio
Find fourth proportional to 2,452,472.64, 3,679,458 and 1,255,243.26
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.