Finding the Fourth Proportional to 1,492,058.08, 2,238,748.64 and 781,917.28
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Solution
The fourth proportional to 1,492,058.08, 2,238,748.64 and 781,917.28 is: 1,173,222.59
Step by Step Solution
- Step 1: Write the proportion equation
1,492,058.08 : 2,238,748.64 = 781,917.28 : x - Step 2: Convert to fraction form
1,492,058.08/2,238,748.64 = 781,917.28/x - Step 3: Cross multiply
1,492,058.08x = 2,238,748.64 × 781,917.28 - Step 4: Simplify right side
1,492,058.08x = 1,750,516,247,192.50 - Step 5: Solve for x
x = 1,750,516,247,192.50/1,492,058.08 - Step 6: Final answer
x = 1,173,222.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.