Finding the Fourth Proportional to 1,194,487.75, 1,648,393.10 and 657,943.75
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Solution
The fourth proportional to 1,194,487.75, 1,648,393.10 and 657,943.75 is: 907,962.38
Step by Step Solution
- Step 1: Write the proportion equation
1,194,487.75 : 1,648,393.10 = 657,943.75 : x - Step 2: Convert to fraction form
1,194,487.75/1,648,393.10 = 657,943.75/x - Step 3: Cross multiply
1,194,487.75x = 1,648,393.10 × 657,943.75 - Step 4: Simplify right side
1,194,487.75x = 1,084,549,934,398.41 - Step 5: Solve for x
x = 1,084,549,934,398.41/1,194,487.75 - Step 6: Final answer
x = 907,962.38
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1.5x scale
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.