Finding the Fourth Proportional to 1,122,392.70, 1,549,411.34 and 715,053.02
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Solution
The fourth proportional to 1,122,392.70, 1,549,411.34 and 715,053.02 is: 987,097.69
Step by Step Solution
- Step 1: Write the proportion equation
1,122,392.70 : 1,549,411.34 = 715,053.02 : x - Step 2: Convert to fraction form
1,122,392.70/1,549,411.34 = 715,053.02/x - Step 3: Cross multiply
1,122,392.70x = 1,549,411.34 × 715,053.02 - Step 4: Simplify right side
1,122,392.70x = 1,107,911,246,566.93 - Step 5: Solve for x
x = 1,107,911,246,566.93/1,122,392.70 - Step 6: Final answer
x = 987,097.69
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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.