Finding the Fourth Proportional to 1,512,698.79, 2,087,463.56 and 824,355.88
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Solution
The fourth proportional to 1,512,698.79, 2,087,463.56 and 824,355.88 is: 1,137,578.00
Step by Step Solution
- Step 1: Write the proportion equation
1,512,698.79 : 2,087,463.56 = 824,355.88 : x - Step 2: Convert to fraction form
1,512,698.79/2,087,463.56 = 824,355.88/x - Step 3: Cross multiply
1,512,698.79x = 2,087,463.56 × 824,355.88 - Step 4: Simplify right side
1,512,698.79x = 1,720,812,862,373.28 - Step 5: Solve for x
x = 1,720,812,862,373.28/1,512,698.79 - Step 6: Final answer
x = 1,137,578.00
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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.