Finding the Fourth Proportional to 1,249,740.36, 1,724,643.36 and 676,781.46
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Solution
The fourth proportional to 1,249,740.36, 1,724,643.36 and 676,781.46 is: 933,959.32
Step by Step Solution
- Step 1: Write the proportion equation
1,249,740.36 : 1,724,643.36 = 676,781.46 : x - Step 2: Convert to fraction form
1,249,740.36/1,724,643.36 = 676,781.46/x - Step 3: Cross multiply
1,249,740.36x = 1,724,643.36 × 676,781.46 - Step 4: Simplify right side
1,249,740.36x = 1,167,206,651,160.11 - Step 5: Solve for x
x = 1,167,206,651,160.11/1,249,740.36 - Step 6: Final answer
x = 933,959.32
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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.