Finding the Fourth Proportional to 1,103,058.74, 1,522,363.28 and 619,623.74
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Solution
The fourth proportional to 1,103,058.74, 1,522,363.28 and 619,623.74 is: 855,160.65
Step by Step Solution
- Step 1: Write the proportion equation
1,103,058.74 : 1,522,363.28 = 619,623.74 : x - Step 2: Convert to fraction form
1,103,058.74/1,522,363.28 = 619,623.74/x - Step 3: Cross multiply
1,103,058.74x = 1,522,363.28 × 619,623.74 - Step 4: Simplify right side
1,103,058.74x = 943,292,429,900.06 - Step 5: Solve for x
x = 943,292,429,900.06/1,103,058.74 - Step 6: Final answer
x = 855,160.65
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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.