Finding the Fourth Proportional to 1,295,460.68, 1,787,158.08 and 751,281.21
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Solution
The fourth proportional to 1,295,460.68, 1,787,158.08 and 751,281.21 is: 1,036,433.07
Step by Step Solution
- Step 1: Write the proportion equation
1,295,460.68 : 1,787,158.08 = 751,281.21 : x - Step 2: Convert to fraction form
1,295,460.68/1,787,158.08 = 751,281.21/x - Step 3: Cross multiply
1,295,460.68x = 1,787,158.08 × 751,281.21 - Step 4: Simplify right side
1,295,460.68x = 1,342,658,284,803.68 - Step 5: Solve for x
x = 1,342,658,284,803.68/1,295,460.68 - Step 6: Final answer
x = 1,036,433.07
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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.