Finding the Fourth Proportional to 1,259,312.88, 1,888,269.36 and 510,484.08
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Solution
The fourth proportional to 1,259,312.88, 1,888,269.36 and 510,484.08 is: 765,442.38
Step by Step Solution
- Step 1: Write the proportion equation
1,259,312.88 : 1,888,269.36 = 510,484.08 : x - Step 2: Convert to fraction form
1,259,312.88/1,888,269.36 = 510,484.08/x - Step 3: Cross multiply
1,259,312.88x = 1,888,269.36 × 510,484.08 - Step 4: Simplify right side
1,259,312.88x = 963,931,447,031.79 - Step 5: Solve for x
x = 963,931,447,031.79/1,259,312.88 - Step 6: Final answer
x = 765,442.38
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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.