Finding the Fourth Proportional to 1,417,295.08, 1,955,840.88 and 772,720.84
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Solution
The fourth proportional to 1,417,295.08, 1,955,840.88 and 772,720.84 is: 1,066,340.40
Step by Step Solution
- Step 1: Write the proportion equation
1,417,295.08 : 1,955,840.88 = 772,720.84 : x - Step 2: Convert to fraction form
1,417,295.08/1,955,840.88 = 772,720.84/x - Step 3: Cross multiply
1,417,295.08x = 1,955,840.88 × 772,720.84 - Step 4: Simplify right side
1,417,295.08x = 1,511,319,007,699.94 - Step 5: Solve for x
x = 1,511,319,007,699.94/1,417,295.08 - Step 6: Final answer
x = 1,066,340.40
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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.