Finding the Fourth Proportional to 1,125,253.08, 1,552,885.74 and 615,955.50
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Solution
The fourth proportional to 1,125,253.08, 1,552,885.74 and 615,955.50 is: 850,038.56
Step by Step Solution
- Step 1: Write the proportion equation
1,125,253.08 : 1,552,885.74 = 615,955.50 : x - Step 2: Convert to fraction form
1,125,253.08/1,552,885.74 = 615,955.50/x - Step 3: Cross multiply
1,125,253.08x = 1,552,885.74 × 615,955.50 - Step 4: Simplify right side
1,125,253.08x = 956,508,512,424.57 - Step 5: Solve for x
x = 956,508,512,424.57/1,125,253.08 - Step 6: Final answer
x = 850,038.56
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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.