Finding the Fourth Proportional to 1,313,657.84, 1,971,224.76 and 714,660.88
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Solution
The fourth proportional to 1,313,657.84, 1,971,224.76 and 714,660.88 is: 1,072,392.81
Step by Step Solution
- Step 1: Write the proportion equation
1,313,657.84 : 1,971,224.76 = 714,660.88 : x - Step 2: Convert to fraction form
1,313,657.84/1,971,224.76 = 714,660.88/x - Step 3: Cross multiply
1,313,657.84x = 1,971,224.76 × 714,660.88 - Step 4: Simplify right side
1,313,657.84x = 1,408,757,221,659.39 - Step 5: Solve for x
x = 1,408,757,221,659.39/1,313,657.84 - Step 6: Final answer
x = 1,072,392.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.