Finding the Fourth Proportional to 1,354,276.84, 1,868,896.74 and 742,433
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Solution
The fourth proportional to 1,354,276.84, 1,868,896.74 and 742,433 is: 1,024,554.63
Step by Step Solution
- Step 1: Write the proportion equation
1,354,276.84 : 1,868,896.74 = 742,433 : x - Step 2: Convert to fraction form
1,354,276.84/1,868,896.74 = 742,433/x - Step 3: Cross multiply
1,354,276.84x = 1,868,896.74 × 742,433 - Step 4: Simplify right side
1,354,276.84x = 1,387,530,613,368.42 - Step 5: Solve for x
x = 1,387,530,613,368.42/1,354,276.84 - Step 6: Final answer
x = 1,024,554.63
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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.