Finding the Fourth Proportional to 1,037,312.76, 1,430,686.68 and 921,148.44
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Solution
The fourth proportional to 1,037,312.76, 1,430,686.68 and 921,148.44 is: 1,270,470.06
Step by Step Solution
- Step 1: Write the proportion equation
1,037,312.76 : 1,430,686.68 = 921,148.44 : x - Step 2: Convert to fraction form
1,037,312.76/1,430,686.68 = 921,148.44/x - Step 3: Cross multiply
1,037,312.76x = 1,430,686.68 × 921,148.44 - Step 4: Simplify right side
1,037,312.76x = 1,317,874,803,410.78 - Step 5: Solve for x
x = 1,317,874,803,410.78/1,037,312.76 - Step 6: Final answer
x = 1,270,470.06
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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.