Finding the Fourth Proportional to 1,115,655.66, 1,672,501.98 and 442,209.66
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Solution
The fourth proportional to 1,115,655.66, 1,672,501.98 and 442,209.66 is: 662,925.45
Step by Step Solution
- Step 1: Write the proportion equation
1,115,655.66 : 1,672,501.98 = 442,209.66 : x - Step 2: Convert to fraction form
1,115,655.66/1,672,501.98 = 442,209.66/x - Step 3: Cross multiply
1,115,655.66x = 1,672,501.98 × 442,209.66 - Step 4: Simplify right side
1,115,655.66x = 739,596,531,925.13 - Step 5: Solve for x
x = 739,596,531,925.13/1,115,655.66 - Step 6: Final answer
x = 662,925.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.