Finding the Fourth Proportional to 1,417,281.10, 1,955,859.38 and 772,705.99
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Solution
The fourth proportional to 1,417,281.10, 1,955,859.38 and 772,705.99 is: 1,066,340.51
Step by Step Solution
- Step 1: Write the proportion equation
1,417,281.10 : 1,955,859.38 = 772,705.99 : x - Step 2: Convert to fraction form
1,417,281.10/1,955,859.38 = 772,705.99/x - Step 3: Cross multiply
1,417,281.10x = 1,955,859.38 × 772,705.99 - Step 4: Simplify right side
1,417,281.10x = 1,511,304,254,660.16 - Step 5: Solve for x
x = 1,511,304,254,660.16/1,417,281.10 - Step 6: Final answer
x = 1,066,340.51
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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.