Finding the Fourth Proportional to 1,046,637.63, 1,444,585.05 and 638,652.11
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Solution
The fourth proportional to 1,046,637.63, 1,444,585.05 and 638,652.11 is: 881,477.28
Step by Step Solution
- Step 1: Write the proportion equation
1,046,637.63 : 1,444,585.05 = 638,652.11 : x - Step 2: Convert to fraction form
1,046,637.63/1,444,585.05 = 638,652.11/x - Step 3: Cross multiply
1,046,637.63x = 1,444,585.05 × 638,652.11 - Step 4: Simplify right side
1,046,637.63x = 922,587,290,256.96 - Step 5: Solve for x
x = 922,587,290,256.96/1,046,637.63 - Step 6: Final answer
x = 881,477.28
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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.