Finding the Fourth Proportional to 1,348,117.70, 1,860,415.09 and 767,312.46
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Solution
The fourth proportional to 1,348,117.70, 1,860,415.09 and 767,312.46 is: 1,058,898.41
Step by Step Solution
- Step 1: Write the proportion equation
1,348,117.70 : 1,860,415.09 = 767,312.46 : x - Step 2: Convert to fraction form
1,348,117.70/1,860,415.09 = 767,312.46/x - Step 3: Cross multiply
1,348,117.70x = 1,860,415.09 × 767,312.46 - Step 4: Simplify right side
1,348,117.70x = 1,427,519,677,410.74 - Step 5: Solve for x
x = 1,427,519,677,410.74/1,348,117.70 - Step 6: Final answer
x = 1,058,898.41
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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.