Finding the Fourth Proportional to 1,021,637.10, 1,532,783.70 and 452,798.40
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Solution
The fourth proportional to 1,021,637.10, 1,532,783.70 and 452,798.40 is: 679,342.99
Step by Step Solution
- Step 1: Write the proportion equation
1,021,637.10 : 1,532,783.70 = 452,798.40 : x - Step 2: Convert to fraction form
1,021,637.10/1,532,783.70 = 452,798.40/x - Step 3: Cross multiply
1,021,637.10x = 1,532,783.70 × 452,798.40 - Step 4: Simplify right side
1,021,637.10x = 694,042,006,906.08 - Step 5: Solve for x
x = 694,042,006,906.08/1,021,637.10 - Step 6: Final answer
x = 679,342.99
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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.