Finding the Fourth Proportional to 1,214,702.95, 1,676,290.06 and 705,438.13
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Solution
The fourth proportional to 1,214,702.95, 1,676,290.06 and 705,438.13 is: 973,504.61
Step by Step Solution
- Step 1: Write the proportion equation
1,214,702.95 : 1,676,290.06 = 705,438.13 : x - Step 2: Convert to fraction form
1,214,702.95/1,676,290.06 = 705,438.13/x - Step 3: Cross multiply
1,214,702.95x = 1,676,290.06 × 705,438.13 - Step 4: Simplify right side
1,214,702.95x = 1,182,518,925,263.99 - Step 5: Solve for x
x = 1,182,518,925,263.99/1,214,702.95 - Step 6: Final answer
x = 973,504.61
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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.