Finding the Fourth Proportional to 1,115,637.98, 1,539,580.58 and 606,340.36
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Solution
The fourth proportional to 1,115,637.98, 1,539,580.58 and 606,340.36 is: 836,749.79
Step by Step Solution
- Step 1: Write the proportion equation
1,115,637.98 : 1,539,580.58 = 606,340.36 : x - Step 2: Convert to fraction form
1,115,637.98/1,539,580.58 = 606,340.36/x - Step 3: Cross multiply
1,115,637.98x = 1,539,580.58 × 606,340.36 - Step 4: Simplify right side
1,115,637.98x = 933,509,843,126.21 - Step 5: Solve for x
x = 933,509,843,126.21/1,115,637.98 - Step 6: Final answer
x = 836,749.79
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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.