Finding the Fourth Proportional to 1,118,748.08, 1,543,858.42 and 609,439.52
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Solution
The fourth proportional to 1,118,748.08, 1,543,858.42 and 609,439.52 is: 841,018.95
Step by Step Solution
- Step 1: Write the proportion equation
1,118,748.08 : 1,543,858.42 = 609,439.52 : x - Step 2: Convert to fraction form
1,118,748.08/1,543,858.42 = 609,439.52/x - Step 3: Cross multiply
1,118,748.08x = 1,543,858.42 × 609,439.52 - Step 4: Simplify right side
1,118,748.08x = 940,888,334,432.76 - Step 5: Solve for x
x = 940,888,334,432.76/1,118,748.08 - Step 6: Final answer
x = 841,018.95
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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.