Finding the Fourth Proportional to 1,142,464.68, 1,711,595.10 and 715,921.02
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Solution
The fourth proportional to 1,142,464.68, 1,711,595.10 and 715,921.02 is: 1,072,564.37
Step by Step Solution
- Step 1: Write the proportion equation
1,142,464.68 : 1,711,595.10 = 715,921.02 : x - Step 2: Convert to fraction form
1,142,464.68/1,711,595.10 = 715,921.02/x - Step 3: Cross multiply
1,142,464.68x = 1,711,595.10 × 715,921.02 - Step 4: Simplify right side
1,142,464.68x = 1,225,366,909,819.00 - Step 5: Solve for x
x = 1,225,366,909,819.00/1,142,464.68 - Step 6: Final answer
x = 1,072,564.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.