Finding the Fourth Proportional to 1,248,722.60, 1,873,136.30 and 395,775.59
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Solution
The fourth proportional to 1,248,722.60, 1,873,136.30 and 395,775.59 is: 593,679.99
Step by Step Solution
- Step 1: Write the proportion equation
1,248,722.60 : 1,873,136.30 = 395,775.59 : x - Step 2: Convert to fraction form
1,248,722.60/1,873,136.30 = 395,775.59/x - Step 3: Cross multiply
1,248,722.60x = 1,873,136.30 × 395,775.59 - Step 4: Simplify right side
1,248,722.60x = 741,341,624,282.92 - Step 5: Solve for x
x = 741,341,624,282.92/1,248,722.60 - Step 6: Final answer
x = 593,679.99
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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.