Home / 1,179,152.40-1,768,728.60-1,092,547.20

Finding the Fourth Proportional to 1,179,152.40, 1,768,728.60 and 1,092,547.20

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Solution

The fourth proportional to 1,179,152.40, 1,768,728.60 and 1,092,547.20 is: 1,638,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,152.40 : 1,768,728.60 = 1,092,547.20 : x
  2. Step 2: Convert to fraction form
    1,179,152.40/1,768,728.60 = 1,092,547.20/x
  3. Step 3: Cross multiply
    1,179,152.40x = 1,768,728.60 × 1,092,547.20
  4. Step 4: Simplify right side
    1,179,152.40x = 1,932,419,479,489.92
  5. Step 5: Solve for x
    x = 1,932,419,479,489.92/1,179,152.40
  6. Step 6: Final answer
    x = 1,638,820.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.