Finding the Fourth Proportional to 1,287,032.99, 1,776,215.84 and 706,368.33
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Solution
The fourth proportional to 1,287,032.99, 1,776,215.84 and 706,368.33 is: 974,848.84
Step by Step Solution
- Step 1: Write the proportion equation
1,287,032.99 : 1,776,215.84 = 706,368.33 : x - Step 2: Convert to fraction form
1,287,032.99/1,776,215.84 = 706,368.33/x - Step 3: Cross multiply
1,287,032.99x = 1,776,215.84 × 706,368.33 - Step 4: Simplify right side
1,287,032.99x = 1,254,662,613,088.51 - Step 5: Solve for x
x = 1,254,662,613,088.51/1,287,032.99 - Step 6: Final answer
x = 974,848.84
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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.