Finding the Fourth Proportional to 1,374,988.76, 1,897,455.94 and 763,105.65
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Solution
The fourth proportional to 1,374,988.76, 1,897,455.94 and 763,105.65 is: 1,053,069.95
Step by Step Solution
- Step 1: Write the proportion equation
1,374,988.76 : 1,897,455.94 = 763,105.65 : x - Step 2: Convert to fraction form
1,374,988.76/1,897,455.94 = 763,105.65/x - Step 3: Cross multiply
1,374,988.76x = 1,897,455.94 × 763,105.65 - Step 4: Simplify right side
1,374,988.76x = 1,447,959,348,440.06 - Step 5: Solve for x
x = 1,447,959,348,440.06/1,374,988.76 - Step 6: Final answer
x = 1,053,069.95
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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.