Finding the Fourth Proportional to 1,357,482.20, 1,873,274.11 and 753,909.08
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Solution
The fourth proportional to 1,357,482.20, 1,873,274.11 and 753,909.08 is: 1,040,366.02
Step by Step Solution
- Step 1: Write the proportion equation
1,357,482.20 : 1,873,274.11 = 753,909.08 : x - Step 2: Convert to fraction form
1,357,482.20/1,873,274.11 = 753,909.08/x - Step 3: Cross multiply
1,357,482.20x = 1,873,274.11 × 753,909.08 - Step 4: Simplify right side
1,357,482.20x = 1,412,278,349,606.78 - Step 5: Solve for x
x = 1,412,278,349,606.78/1,357,482.20 - Step 6: Final answer
x = 1,040,366.02
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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.