Finding the Fourth Proportional to 1,130,670.36, 1,560,384.82 and 640,734.78
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Solution
The fourth proportional to 1,130,670.36, 1,560,384.82 and 640,734.78 is: 884,247.84
Step by Step Solution
- Step 1: Write the proportion equation
1,130,670.36 : 1,560,384.82 = 640,734.78 : x - Step 2: Convert to fraction form
1,130,670.36/1,560,384.82 = 640,734.78/x - Step 3: Cross multiply
1,130,670.36x = 1,560,384.82 × 640,734.78 - Step 4: Simplify right side
1,130,670.36x = 999,792,824,358.04 - Step 5: Solve for x
x = 999,792,824,358.04/1,130,670.36 - Step 6: Final answer
x = 884,247.84
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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.