Finding the Fourth Proportional to 1,243,536.24, 1,715,927.60 and 784,477.60
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Solution
The fourth proportional to 1,243,536.24, 1,715,927.60 and 784,477.60 is: 1,082,482.94
Step by Step Solution
- Step 1: Write the proportion equation
1,243,536.24 : 1,715,927.60 = 784,477.60 : x - Step 2: Convert to fraction form
1,243,536.24/1,715,927.60 = 784,477.60/x - Step 3: Cross multiply
1,243,536.24x = 1,715,927.60 × 784,477.60 - Step 4: Simplify right side
1,243,536.24x = 1,346,106,765,421.76 - Step 5: Solve for x
x = 1,346,106,765,421.76/1,243,536.24 - Step 6: Final answer
x = 1,082,482.94
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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.