Finding the Fourth Proportional to 1,328,781.04, 1,994,050.95 and 730,159.05
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Solution
The fourth proportional to 1,328,781.04, 1,994,050.95 and 730,159.05 is: 1,095,721.80
Step by Step Solution
- Step 1: Write the proportion equation
1,328,781.04 : 1,994,050.95 = 730,159.05 : x - Step 2: Convert to fraction form
1,328,781.04/1,994,050.95 = 730,159.05/x - Step 3: Cross multiply
1,328,781.04x = 1,994,050.95 × 730,159.05 - Step 4: Simplify right side
1,328,781.04x = 1,455,974,347,303.60 - Step 5: Solve for x
x = 1,455,974,347,303.60/1,328,781.04 - Step 6: Final answer
x = 1,095,721.80
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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.