Finding the Fourth Proportional to 999,189.05, 1,497,454.92 and 865,443.06
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Solution
The fourth proportional to 999,189.05, 1,497,454.92 and 865,443.06 is: 1,297,013.79
Step by Step Solution
- Step 1: Write the proportion equation
999,189.05 : 1,497,454.92 = 865,443.06 : x - Step 2: Convert to fraction form
999,189.05/1,497,454.92 = 865,443.06/x - Step 3: Cross multiply
999,189.05x = 1,497,454.92 × 865,443.06 - Step 4: Simplify right side
999,189.05x = 1,295,961,968,176.86 - Step 5: Solve for x
x = 1,295,961,968,176.86/999,189.05 - Step 6: Final answer
x = 1,297,013.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.