Finding the Fourth Proportional to 1,011,827.91, 1,396,267.70 and 559,089.75
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Solution
The fourth proportional to 1,011,827.91, 1,396,267.70 and 559,089.75 is: 771,513.56
Step by Step Solution
- Step 1: Write the proportion equation
1,011,827.91 : 1,396,267.70 = 559,089.75 : x - Step 2: Convert to fraction form
1,011,827.91/1,396,267.70 = 559,089.75/x - Step 3: Cross multiply
1,011,827.91x = 1,396,267.70 × 559,089.75 - Step 4: Simplify right side
1,011,827.91x = 780,638,956,530.63 - Step 5: Solve for x
x = 780,638,956,530.63/1,011,827.91 - Step 6: Final answer
x = 771,513.56
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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.