Finding the Fourth Proportional to 1,124,703.34, 1,552,090.44 and 615,405.58
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Solution
The fourth proportional to 1,124,703.34, 1,552,090.44 and 615,405.58 is: 849,259.61
Step by Step Solution
- Step 1: Write the proportion equation
1,124,703.34 : 1,552,090.44 = 615,405.58 : x - Step 2: Convert to fraction form
1,124,703.34/1,552,090.44 = 615,405.58/x - Step 3: Cross multiply
1,124,703.34x = 1,552,090.44 × 615,405.58 - Step 4: Simplify right side
1,124,703.34x = 955,165,117,440.66 - Step 5: Solve for x
x = 955,165,117,440.66/1,124,703.34 - Step 6: Final answer
x = 849,259.61
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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.