Finding the Fourth Proportional to 1,319,305.68, 1,820,645.34 and 715,693.68
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Solution
The fourth proportional to 1,319,305.68, 1,820,645.34 and 715,693.68 is: 987,659.18
Step by Step Solution
- Step 1: Write the proportion equation
1,319,305.68 : 1,820,645.34 = 715,693.68 : x - Step 2: Convert to fraction form
1,319,305.68/1,820,645.34 = 715,693.68/x - Step 3: Cross multiply
1,319,305.68x = 1,820,645.34 × 715,693.68 - Step 4: Simplify right side
1,319,305.68x = 1,303,024,363,359.45 - Step 5: Solve for x
x = 1,303,024,363,359.45/1,319,305.68 - Step 6: Final answer
x = 987,659.18
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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.