Finding the Fourth Proportional to 1,213,528, 1,674,669.36 and 676,984
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Solution
The fourth proportional to 1,213,528, 1,674,669.36 and 676,984 is: 934,238.32
Step by Step Solution
- Step 1: Write the proportion equation
1,213,528 : 1,674,669.36 = 676,984 : x - Step 2: Convert to fraction form
1,213,528/1,674,669.36 = 676,984/x - Step 3: Cross multiply
1,213,528x = 1,674,669.36 × 676,984 - Step 4: Simplify right side
1,213,528x = 1,133,724,362,010.24 - Step 5: Solve for x
x = 1,133,724,362,010.24/1,213,528 - Step 6: Final answer
x = 934,238.32
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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.