Finding the Fourth Proportional to 1,295,646.91, 1,788,566.06 and 836,985.12
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Solution
The fourth proportional to 1,295,646.91, 1,788,566.06 and 836,985.12 is: 1,155,409.83
Step by Step Solution
- Step 1: Write the proportion equation
1,295,646.91 : 1,788,566.06 = 836,985.12 : x - Step 2: Convert to fraction form
1,295,646.91/1,788,566.06 = 836,985.12/x - Step 3: Cross multiply
1,295,646.91x = 1,788,566.06 × 836,985.12 - Step 4: Simplify right side
1,295,646.91x = 1,497,003,178,357.03 - Step 5: Solve for x
x = 1,497,003,178,357.03/1,295,646.91 - Step 6: Final answer
x = 1,155,409.83
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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.