Finding the Fourth Proportional to 1,125,089.44, 1,552,563.84 and 615,693.40
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Solution
The fourth proportional to 1,125,089.44, 1,552,563.84 and 615,693.40 is: 849,624.28
Step by Step Solution
- Step 1: Write the proportion equation
1,125,089.44 : 1,552,563.84 = 615,693.40 : x - Step 2: Convert to fraction form
1,125,089.44/1,552,563.84 = 615,693.40/x - Step 3: Cross multiply
1,125,089.44x = 1,552,563.84 × 615,693.40 - Step 4: Simplify right side
1,125,089.44x = 955,903,309,366.66 - Step 5: Solve for x
x = 955,903,309,366.66/1,125,089.44 - Step 6: Final answer
x = 849,624.28
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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.