Finding the Fourth Proportional to 1,313,597.48, 1,812,767.62 and 709,985.48
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Solution
The fourth proportional to 1,313,597.48, 1,812,767.62 and 709,985.48 is: 979,781.64
Step by Step Solution
- Step 1: Write the proportion equation
1,313,597.48 : 1,812,767.62 = 709,985.48 : x - Step 2: Convert to fraction form
1,313,597.48/1,812,767.62 = 709,985.48/x - Step 3: Cross multiply
1,313,597.48x = 1,812,767.62 × 709,985.48 - Step 4: Simplify right side
1,313,597.48x = 1,287,038,688,814.16 - Step 5: Solve for x
x = 1,287,038,688,814.16/1,313,597.48 - Step 6: Final answer
x = 979,781.64
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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.