Finding the Fourth Proportional to 1,139,585.36, 1,572,675.36 and 656,138.48
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Solution
The fourth proportional to 1,139,585.36, 1,572,675.36 and 656,138.48 is: 905,498.49
Step by Step Solution
- Step 1: Write the proportion equation
1,139,585.36 : 1,572,675.36 = 656,138.48 : x - Step 2: Convert to fraction form
1,139,585.36/1,572,675.36 = 656,138.48/x - Step 3: Cross multiply
1,139,585.36x = 1,572,675.36 × 656,138.48 - Step 4: Simplify right side
1,139,585.36x = 1,031,892,820,243.85 - Step 5: Solve for x
x = 1,031,892,820,243.85/1,139,585.36 - Step 6: Final answer
x = 905,498.49
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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.