Finding the Fourth Proportional to 1,387,303.74, 2,079,536.69 and 702,922.79
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Solution
The fourth proportional to 1,387,303.74, 2,079,536.69 and 702,922.79 is: 1,053,665.25
Step by Step Solution
- Step 1: Write the proportion equation
1,387,303.74 : 2,079,536.69 = 702,922.79 : x - Step 2: Convert to fraction form
1,387,303.74/2,079,536.69 = 702,922.79/x - Step 3: Cross multiply
1,387,303.74x = 2,079,536.69 × 702,922.79 - Step 4: Simplify right side
1,387,303.74x = 1,461,753,738,998.31 - Step 5: Solve for x
x = 1,461,753,738,998.31/1,387,303.74 - Step 6: Final answer
x = 1,053,665.25
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.