Finding the Fourth Proportional to 1,255,740.08, 1,732,908.28 and 934,885.04
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Solution
The fourth proportional to 1,255,740.08, 1,732,908.28 and 934,885.04 is: 1,290,131.65
Step by Step Solution
- Step 1: Write the proportion equation
1,255,740.08 : 1,732,908.28 = 934,885.04 : x - Step 2: Convert to fraction form
1,255,740.08/1,732,908.28 = 934,885.04/x - Step 3: Cross multiply
1,255,740.08x = 1,732,908.28 × 934,885.04 - Step 4: Simplify right side
1,255,740.08x = 1,620,070,026,664.13 - Step 5: Solve for x
x = 1,620,070,026,664.13/1,255,740.08 - Step 6: Final answer
x = 1,290,131.65
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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.