Finding the Fourth Proportional to 1,248,740.81, 1,723,267.75 and 675,781.03
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Solution
The fourth proportional to 1,248,740.81, 1,723,267.75 and 675,781.03 is: 932,580.76
Step by Step Solution
- Step 1: Write the proportion equation
1,248,740.81 : 1,723,267.75 = 675,781.03 : x - Step 2: Convert to fraction form
1,248,740.81/1,723,267.75 = 675,781.03/x - Step 3: Cross multiply
1,248,740.81x = 1,723,267.75 × 675,781.03 - Step 4: Simplify right side
1,248,740.81x = 1,164,551,655,060.78 - Step 5: Solve for x
x = 1,164,551,655,060.78/1,248,740.81 - Step 6: Final answer
x = 932,580.76
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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.