Finding the Fourth Proportional to 1,354,536.15, 1,869,343.87 and 750,924.15
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Solution
The fourth proportional to 1,354,536.15, 1,869,343.87 and 750,924.15 is: 1,036,321.89
Step by Step Solution
- Step 1: Write the proportion equation
1,354,536.15 : 1,869,343.87 = 750,924.15 : x - Step 2: Convert to fraction form
1,354,536.15/1,869,343.87 = 750,924.15/x - Step 3: Cross multiply
1,354,536.15x = 1,869,343.87 × 750,924.15 - Step 4: Simplify right side
1,354,536.15x = 1,403,735,456,637.46 - Step 5: Solve for x
x = 1,403,735,456,637.46/1,354,536.15 - Step 6: Final answer
x = 1,036,321.89
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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.