Finding the Fourth Proportional to 1,257,256.84, 1,735,789.62 and 865,458.76
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Solution
The fourth proportional to 1,257,256.84, 1,735,789.62 and 865,458.76 is: 1,194,866.70
Step by Step Solution
- Step 1: Write the proportion equation
1,257,256.84 : 1,735,789.62 = 865,458.76 : x - Step 2: Convert to fraction form
1,257,256.84/1,735,789.62 = 865,458.76/x - Step 3: Cross multiply
1,257,256.84x = 1,735,789.62 × 865,458.76 - Step 4: Simplify right side
1,257,256.84x = 1,502,254,332,146.07 - Step 5: Solve for x
x = 1,502,254,332,146.07/1,257,256.84 - Step 6: Final answer
x = 1,194,866.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.