Finding the Fourth Proportional to 1,355,440.25, 2,031,952.26 and 514,582.49
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Solution
The fourth proportional to 1,355,440.25, 2,031,952.26 and 514,582.49 is: 771,415.09
Step by Step Solution
- Step 1: Write the proportion equation
1,355,440.25 : 2,031,952.26 = 514,582.49 : x - Step 2: Convert to fraction form
1,355,440.25/2,031,952.26 = 514,582.49/x - Step 3: Cross multiply
1,355,440.25x = 2,031,952.26 × 514,582.49 - Step 4: Simplify right side
1,355,440.25x = 1,045,607,060,521.49 - Step 5: Solve for x
x = 1,045,607,060,521.49/1,355,440.25 - Step 6: Final answer
x = 771,415.09
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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.