Finding the Fourth Proportional to 1,239,875.87, 1,711,027.87 and 696,012.71
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Solution
The fourth proportional to 1,239,875.87, 1,711,027.87 and 696,012.71 is: 960,497.07
Step by Step Solution
- Step 1: Write the proportion equation
1,239,875.87 : 1,711,027.87 = 696,012.71 : x - Step 2: Convert to fraction form
1,239,875.87/1,711,027.87 = 696,012.71/x - Step 3: Cross multiply
1,239,875.87x = 1,711,027.87 × 696,012.71 - Step 4: Simplify right side
1,239,875.87x = 1,190,897,134,389.06 - Step 5: Solve for x
x = 1,190,897,134,389.06/1,239,875.87 - Step 6: Final answer
x = 960,497.07
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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.