Finding the Fourth Proportional to 1,213,931.19, 1,675,225.13 and 670,067.12
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Solution
The fourth proportional to 1,213,931.19, 1,675,225.13 and 670,067.12 is: 924,692.66
Step by Step Solution
- Step 1: Write the proportion equation
1,213,931.19 : 1,675,225.13 = 670,067.12 : x - Step 2: Convert to fraction form
1,213,931.19/1,675,225.13 = 670,067.12/x - Step 3: Cross multiply
1,213,931.19x = 1,675,225.13 × 670,067.12 - Step 4: Simplify right side
1,213,931.19x = 1,122,513,266,484.26 - Step 5: Solve for x
x = 1,122,513,266,484.26/1,213,931.19 - Step 6: Final answer
x = 924,692.66
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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.