Finding the Fourth Proportional to 1,006,401.19, 1,388,801.93 and 547,503.99
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Solution
The fourth proportional to 1,006,401.19, 1,388,801.93 and 547,503.99 is: 755,538.24
Step by Step Solution
- Step 1: Write the proportion equation
1,006,401.19 : 1,388,801.93 = 547,503.99 : x - Step 2: Convert to fraction form
1,006,401.19/1,388,801.93 = 547,503.99/x - Step 3: Cross multiply
1,006,401.19x = 1,388,801.93 × 547,503.99 - Step 4: Simplify right side
1,006,401.19x = 760,374,588,313.17 - Step 5: Solve for x
x = 760,374,588,313.17/1,006,401.19 - Step 6: Final answer
x = 755,538.24
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.