Finding the Fourth Proportional to 1,458,432.39, 2,012,637.09 and 805,058.79
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Solution
The fourth proportional to 1,458,432.39, 2,012,637.09 and 805,058.79 is: 1,110,981.35
Step by Step Solution
- Step 1: Write the proportion equation
1,458,432.39 : 2,012,637.09 = 805,058.79 : x - Step 2: Convert to fraction form
1,458,432.39/2,012,637.09 = 805,058.79/x - Step 3: Cross multiply
1,458,432.39x = 2,012,637.09 × 805,058.79 - Step 4: Simplify right side
1,458,432.39x = 1,620,291,180,384.52 - Step 5: Solve for x
x = 1,620,291,180,384.52/1,458,432.39 - Step 6: Final answer
x = 1,110,981.35
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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.