Finding the Fourth Proportional to 1,354,330.84, 1,868,936.11 and 742,462.69
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Solution
The fourth proportional to 1,354,330.84, 1,868,936.11 and 742,462.69 is: 1,024,576.34
Step by Step Solution
- Step 1: Write the proportion equation
1,354,330.84 : 1,868,936.11 = 742,462.69 : x - Step 2: Convert to fraction form
1,354,330.84/1,868,936.11 = 742,462.69/x - Step 3: Cross multiply
1,354,330.84x = 1,868,936.11 × 742,462.69 - Step 4: Simplify right side
1,354,330.84x = 1,387,615,330,732.67 - Step 5: Solve for x
x = 1,387,615,330,732.67/1,354,330.84 - Step 6: Final answer
x = 1,024,576.34
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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.