Finding the Fourth Proportional to 1,316,858.19, 1,975,289.82 and 507,623.68
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Solution
The fourth proportional to 1,316,858.19, 1,975,289.82 and 507,623.68 is: 761,436.50
Step by Step Solution
- Step 1: Write the proportion equation
1,316,858.19 : 1,975,289.82 = 507,623.68 : x - Step 2: Convert to fraction form
1,316,858.19/1,975,289.82 = 507,623.68/x - Step 3: Cross multiply
1,316,858.19x = 1,975,289.82 × 507,623.68 - Step 4: Simplify right side
1,316,858.19x = 1,002,703,887,494.94 - Step 5: Solve for x
x = 1,002,703,887,494.94/1,316,858.19 - Step 6: Final answer
x = 761,436.50
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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.