Finding the Fourth Proportional to 1,020,868.99, 1,531,186.84 and 272,973.31
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Solution
The fourth proportional to 1,020,868.99, 1,531,186.84 and 272,973.31 is: 409,428.77
Step by Step Solution
- Step 1: Write the proportion equation
1,020,868.99 : 1,531,186.84 = 272,973.31 : x - Step 2: Convert to fraction form
1,020,868.99/1,531,186.84 = 272,973.31/x - Step 3: Cross multiply
1,020,868.99x = 1,531,186.84 × 272,973.31 - Step 4: Simplify right side
1,020,868.99x = 417,973,139,943.24 - Step 5: Solve for x
x = 417,973,139,943.24/1,020,868.99 - Step 6: Final answer
x = 409,428.77
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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.