Finding the Fourth Proportional to 1,239,726.09, 1,858,866.60 and 480,680.81
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Solution
The fourth proportional to 1,239,726.09, 1,858,866.60 and 480,680.81 is: 720,741.06
Step by Step Solution
- Step 1: Write the proportion equation
1,239,726.09 : 1,858,866.60 = 480,680.81 : x - Step 2: Convert to fraction form
1,239,726.09/1,858,866.60 = 480,680.81/x - Step 3: Cross multiply
1,239,726.09x = 1,858,866.60 × 480,680.81 - Step 4: Simplify right side
1,239,726.09x = 893,521,495,478.17 - Step 5: Solve for x
x = 893,521,495,478.17/1,239,726.09 - Step 6: Final answer
x = 720,741.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.