Finding the Fourth Proportional to 1,157,898.40, 1,736,329.20 and 526,487.20
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Solution
The fourth proportional to 1,157,898.40, 1,736,329.20 and 526,487.20 is: 789,495.09
Step by Step Solution
- Step 1: Write the proportion equation
1,157,898.40 : 1,736,329.20 = 526,487.20 : x - Step 2: Convert to fraction form
1,157,898.40/1,736,329.20 = 526,487.20/x - Step 3: Cross multiply
1,157,898.40x = 1,736,329.20 × 526,487.20 - Step 4: Simplify right side
1,157,898.40x = 914,155,098,786.24 - Step 5: Solve for x
x = 914,155,098,786.24/1,157,898.40 - Step 6: Final answer
x = 789,495.09
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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.