Finding the Fourth Proportional to 1,142,700.84, 1,576,892.98 and 626,437.07
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Solution
The fourth proportional to 1,142,700.84, 1,576,892.98 and 626,437.07 is: 864,464.42
Step by Step Solution
- Step 1: Write the proportion equation
1,142,700.84 : 1,576,892.98 = 626,437.07 : x - Step 2: Convert to fraction form
1,142,700.84/1,576,892.98 = 626,437.07/x - Step 3: Cross multiply
1,142,700.84x = 1,576,892.98 × 626,437.07 - Step 4: Simplify right side
1,142,700.84x = 987,824,218,094.77 - Step 5: Solve for x
x = 987,824,218,094.77/1,142,700.84 - Step 6: Final answer
x = 864,464.42
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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.