Finding the Fourth Proportional to 1,118,412.10, 1,543,426.29 and 609,114.07
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Solution
The fourth proportional to 1,118,412.10, 1,543,426.29 and 609,114.07 is: 840,587.00
Step by Step Solution
- Step 1: Write the proportion equation
1,118,412.10 : 1,543,426.29 = 609,114.07 : x - Step 2: Convert to fraction form
1,118,412.10/1,543,426.29 = 609,114.07/x - Step 3: Cross multiply
1,118,412.10x = 1,543,426.29 × 609,114.07 - Step 4: Simplify right side
1,118,412.10x = 940,122,669,246.90 - Step 5: Solve for x
x = 940,122,669,246.90/1,118,412.10 - Step 6: Final answer
x = 840,587.00
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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.