Finding the Fourth Proportional to 1,021,048.68, 1,531,677.78 and 390,492.84
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Solution
The fourth proportional to 1,021,048.68, 1,531,677.78 and 390,492.84 is: 585,779.32
Step by Step Solution
- Step 1: Write the proportion equation
1,021,048.68 : 1,531,677.78 = 390,492.84 : x - Step 2: Convert to fraction form
1,021,048.68/1,531,677.78 = 390,492.84/x - Step 3: Cross multiply
1,021,048.68x = 1,531,677.78 × 390,492.84 - Step 4: Simplify right side
1,021,048.68x = 598,109,206,277.10 - Step 5: Solve for x
x = 598,109,206,277.10/1,021,048.68 - Step 6: Final answer
x = 585,779.32
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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.