Home / 1,110,010.40-1,665,015.60-400,061.60

Finding the Fourth Proportional to 1,110,010.40, 1,665,015.60 and 400,061.60

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Solution

The fourth proportional to 1,110,010.40, 1,665,015.60 and 400,061.60 is: 600,092.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,010.40 : 1,665,015.60 = 400,061.60 : x
  2. Step 2: Convert to fraction form
    1,110,010.40/1,665,015.60 = 400,061.60/x
  3. Step 3: Cross multiply
    1,110,010.40x = 1,665,015.60 × 400,061.60
  4. Step 4: Simplify right side
    1,110,010.40x = 666,108,804,960.96
  5. Step 5: Solve for x
    x = 666,108,804,960.96/1,110,010.40
  6. Step 6: Final answer
    x = 600,092.40

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1.5x scale

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.