Finding the Fourth Proportional to 1,259,871.84, 1,889,809.18 and 313,242.66
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Solution
The fourth proportional to 1,259,871.84, 1,889,809.18 and 313,242.66 is: 469,864.34
Step by Step Solution
- Step 1: Write the proportion equation
1,259,871.84 : 1,889,809.18 = 313,242.66 : x - Step 2: Convert to fraction form
1,259,871.84/1,889,809.18 = 313,242.66/x - Step 3: Cross multiply
1,259,871.84x = 1,889,809.18 × 313,242.66 - Step 4: Simplify right side
1,259,871.84x = 591,968,853,652.51 - Step 5: Solve for x
x = 591,968,853,652.51/1,259,871.84 - Step 6: Final answer
x = 469,864.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.