Finding the Fourth Proportional to 1,370,885.99, 1,891,227.08 and 826,719.39
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Solution
The fourth proportional to 1,370,885.99, 1,891,227.08 and 826,719.39 is: 1,140,513.59
Step by Step Solution
- Step 1: Write the proportion equation
1,370,885.99 : 1,891,227.08 = 826,719.39 : x - Step 2: Convert to fraction form
1,370,885.99/1,891,227.08 = 826,719.39/x - Step 3: Cross multiply
1,370,885.99x = 1,891,227.08 × 826,719.39 - Step 4: Simplify right side
1,370,885.99x = 1,563,514,099,995.88 - Step 5: Solve for x
x = 1,563,514,099,995.88/1,370,885.99 - Step 6: Final answer
x = 1,140,513.59
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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.