Finding the Fourth Proportional to 1,137,454.86, 1,698,807.99 and 1,030,625.58
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Solution
The fourth proportional to 1,137,454.86, 1,698,807.99 and 1,030,625.58 is: 1,539,256.66
Step by Step Solution
- Step 1: Write the proportion equation
1,137,454.86 : 1,698,807.99 = 1,030,625.58 : x - Step 2: Convert to fraction form
1,137,454.86/1,698,807.99 = 1,030,625.58/x - Step 3: Cross multiply
1,137,454.86x = 1,698,807.99 × 1,030,625.58 - Step 4: Simplify right side
1,137,454.86x = 1,750,834,970,002.38 - Step 5: Solve for x
x = 1,750,834,970,002.38/1,137,454.86 - Step 6: Final answer
x = 1,539,256.66
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.