Finding the Fourth Proportional to 1,343,640.13, 1,854,186.01 and 731,779.49
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Solution
The fourth proportional to 1,343,640.13, 1,854,186.01 and 731,779.49 is: 1,009,835.34
Step by Step Solution
- Step 1: Write the proportion equation
1,343,640.13 : 1,854,186.01 = 731,779.49 : x - Step 2: Convert to fraction form
1,343,640.13/1,854,186.01 = 731,779.49/x - Step 3: Cross multiply
1,343,640.13x = 1,854,186.01 × 731,779.49 - Step 4: Simplify right side
1,343,640.13x = 1,356,855,292,762.93 - Step 5: Solve for x
x = 1,356,855,292,762.93/1,343,640.13 - Step 6: Final answer
x = 1,009,835.34
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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.