Finding the Fourth Proportional to 1,497,728.80, 2,246,593.20 and 655,386.40
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Solution
The fourth proportional to 1,497,728.80, 2,246,593.20 and 655,386.40 is: 983,079.60
Step by Step Solution
- Step 1: Write the proportion equation
1,497,728.80 : 2,246,593.20 = 655,386.40 : x - Step 2: Convert to fraction form
1,497,728.80/2,246,593.20 = 655,386.40/x - Step 3: Cross multiply
1,497,728.80x = 2,246,593.20 × 655,386.40 - Step 4: Simplify right side
1,497,728.80x = 1,472,386,629,612.48 - Step 5: Solve for x
x = 1,472,386,629,612.48/1,497,728.80 - Step 6: Final answer
x = 983,079.60
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1.5x scale
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.