Finding the Fourth Proportional to 1,173,827.65, 1,621,401.68 and 970,699.09
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Solution
The fourth proportional to 1,173,827.65, 1,621,401.68 and 970,699.09 is: 1,340,821.32
Step by Step Solution
- Step 1: Write the proportion equation
1,173,827.65 : 1,621,401.68 = 970,699.09 : x - Step 2: Convert to fraction form
1,173,827.65/1,621,401.68 = 970,699.09/x - Step 3: Cross multiply
1,173,827.65x = 1,621,401.68 × 970,699.09 - Step 4: Simplify right side
1,173,827.65x = 1,573,893,133,751.36 - Step 5: Solve for x
x = 1,573,893,133,751.36/1,173,827.65 - Step 6: Final answer
x = 1,340,821.32
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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.