Finding the Fourth Proportional to 1,197,306.45, 1,652,298.21 and 707,292.09
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Solution
The fourth proportional to 1,197,306.45, 1,652,298.21 and 707,292.09 is: 976,072.13
Step by Step Solution
- Step 1: Write the proportion equation
1,197,306.45 : 1,652,298.21 = 707,292.09 : x - Step 2: Convert to fraction form
1,197,306.45/1,652,298.21 = 707,292.09/x - Step 3: Cross multiply
1,197,306.45x = 1,652,298.21 × 707,292.09 - Step 4: Simplify right side
1,197,306.45x = 1,168,657,454,254.16 - Step 5: Solve for x
x = 1,168,657,454,254.16/1,197,306.45 - Step 6: Final answer
x = 976,072.13
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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.