Finding the Fourth Proportional to 1,110,921.12, 1,531,924.56 and 950,307.84
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Solution
The fourth proportional to 1,110,921.12, 1,531,924.56 and 950,307.84 is: 1,310,444.00
Step by Step Solution
- Step 1: Write the proportion equation
1,110,921.12 : 1,531,924.56 = 950,307.84 : x - Step 2: Convert to fraction form
1,110,921.12/1,531,924.56 = 950,307.84/x - Step 3: Cross multiply
1,110,921.12x = 1,531,924.56 × 950,307.84 - Step 4: Simplify right side
1,110,921.12x = 1,455,799,919,656.55 - Step 5: Solve for x
x = 1,455,799,919,656.55/1,110,921.12 - Step 6: Final answer
x = 1,310,444.00
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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.