Finding the Fourth Proportional to 1,118,655.18, 1,543,746.75 and 609,346.62
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Solution
The fourth proportional to 1,118,655.18, 1,543,746.75 and 609,346.62 is: 840,899.75
Step by Step Solution
- Step 1: Write the proportion equation
1,118,655.18 : 1,543,746.75 = 609,346.62 : x - Step 2: Convert to fraction form
1,118,655.18/1,543,746.75 = 609,346.62/x - Step 3: Cross multiply
1,118,655.18x = 1,543,746.75 × 609,346.62 - Step 4: Simplify right side
1,118,655.18x = 940,676,864,248.49 - Step 5: Solve for x
x = 940,676,864,248.49/1,118,655.18 - Step 6: Final answer
x = 840,899.75
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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.