Finding the Fourth Proportional to 1,219,164.68, 1,828,918.38 and 509,031.08
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Solution
The fourth proportional to 1,219,164.68, 1,828,918.38 and 509,031.08 is: 763,618.17
Step by Step Solution
- Step 1: Write the proportion equation
1,219,164.68 : 1,828,918.38 = 509,031.08 : x - Step 2: Convert to fraction form
1,219,164.68/1,828,918.38 = 509,031.08/x - Step 3: Cross multiply
1,219,164.68x = 1,828,918.38 × 509,031.08 - Step 4: Simplify right side
1,219,164.68x = 930,976,298,203.25 - Step 5: Solve for x
x = 930,976,298,203.25/1,219,164.68 - Step 6: Final answer
x = 763,618.17
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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.