Home / 1,110,020.40-1,664,010-399,874.77

Finding the Fourth Proportional to 1,110,020.40, 1,664,010 and 399,874.77

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Solution

The fourth proportional to 1,110,020.40, 1,664,010 and 399,874.77 is: 599,444.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,020.40 : 1,664,010 = 399,874.77 : x
  2. Step 2: Convert to fraction form
    1,110,020.40/1,664,010 = 399,874.77/x
  3. Step 3: Cross multiply
    1,110,020.40x = 1,664,010 × 399,874.77
  4. Step 4: Simplify right side
    1,110,020.40x = 665,395,616,027.70
  5. Step 5: Solve for x
    x = 665,395,616,027.70/1,110,020.40
  6. Step 6: Final answer
    x = 599,444.49

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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.