Finding the Fourth Proportional to 1,249,934.32, 1,874,340.96 and 744,733.18
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Solution
The fourth proportional to 1,249,934.32, 1,874,340.96 and 744,733.18 is: 1,116,765.80
Step by Step Solution
- Step 1: Write the proportion equation
1,249,934.32 : 1,874,340.96 = 744,733.18 : x - Step 2: Convert to fraction form
1,249,934.32/1,874,340.96 = 744,733.18/x - Step 3: Cross multiply
1,249,934.32x = 1,874,340.96 × 744,733.18 - Step 4: Simplify right side
1,249,934.32x = 1,395,883,903,545.05 - Step 5: Solve for x
x = 1,395,883,903,545.05/1,249,934.32 - Step 6: Final answer
x = 1,116,765.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.