Finding the Fourth Proportional to 1,124,726.63, 1,552,122.74 and 615,429
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Solution
The fourth proportional to 1,124,726.63, 1,552,122.74 and 615,429 is: 849,292.02
Step by Step Solution
- Step 1: Write the proportion equation
1,124,726.63 : 1,552,122.74 = 615,429 : x - Step 2: Convert to fraction form
1,124,726.63/1,552,122.74 = 615,429/x - Step 3: Cross multiply
1,124,726.63x = 1,552,122.74 × 615,429 - Step 4: Simplify right side
1,124,726.63x = 955,221,347,294.03 - Step 5: Solve for x
x = 955,221,347,294.03/1,124,726.63 - Step 6: Final answer
x = 849,292.02
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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.