Finding the Fourth Proportional to 1,130,853.42, 1,560,589.74 and 614,607.30
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Solution
The fourth proportional to 1,130,853.42, 1,560,589.74 and 614,607.30 is: 848,164.61
Step by Step Solution
- Step 1: Write the proportion equation
1,130,853.42 : 1,560,589.74 = 614,607.30 : x - Step 2: Convert to fraction form
1,130,853.42/1,560,589.74 = 614,607.30/x - Step 3: Cross multiply
1,130,853.42x = 1,560,589.74 × 614,607.30 - Step 4: Simplify right side
1,130,853.42x = 959,149,846,509.10 - Step 5: Solve for x
x = 959,149,846,509.10/1,130,853.42 - Step 6: Final answer
x = 848,164.61
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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.