Finding the Fourth Proportional to 1,153,494.64, 1,580,261.28 and 1,110,368.16
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Solution
The fourth proportional to 1,153,494.64, 1,580,261.28 and 1,110,368.16 is: 1,521,178.99
Step by Step Solution
- Step 1: Write the proportion equation
1,153,494.64 : 1,580,261.28 = 1,110,368.16 : x - Step 2: Convert to fraction form
1,153,494.64/1,580,261.28 = 1,110,368.16/x - Step 3: Cross multiply
1,153,494.64x = 1,580,261.28 × 1,110,368.16 - Step 4: Simplify right side
1,153,494.64x = 1,754,671,809,792.84 - Step 5: Solve for x
x = 1,754,671,809,792.84/1,153,494.64 - Step 6: Final answer
x = 1,521,178.99
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.