Home / 1,110,019.60-1,665,029.40-830,083.60

Finding the Fourth Proportional to 1,110,019.60, 1,665,029.40 and 830,083.60

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Solution

The fourth proportional to 1,110,019.60, 1,665,029.40 and 830,083.60 is: 1,245,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,019.60 : 1,665,029.40 = 830,083.60 : x
  2. Step 2: Convert to fraction form
    1,110,019.60/1,665,029.40 = 830,083.60/x
  3. Step 3: Cross multiply
    1,110,019.60x = 1,665,029.40 × 830,083.60
  4. Step 4: Simplify right side
    1,110,019.60x = 1,382,113,598,457.84
  5. Step 5: Solve for x
    x = 1,382,113,598,457.84/1,110,019.60
  6. Step 6: Final answer
    x = 1,245,125.40

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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.