Home / 1,255,606.20-1,883,322.90-402,665.40

Finding the Fourth Proportional to 1,255,606.20, 1,883,322.90 and 402,665.40

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Solution

The fourth proportional to 1,255,606.20, 1,883,322.90 and 402,665.40 is: 603,970.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,606.20 : 1,883,322.90 = 402,665.40 : x
  2. Step 2: Convert to fraction form
    1,255,606.20/1,883,322.90 = 402,665.40/x
  3. Step 3: Cross multiply
    1,255,606.20x = 1,883,322.90 × 402,665.40
  4. Step 4: Simplify right side
    1,255,606.20x = 758,348,968,857.66
  5. Step 5: Solve for x
    x = 758,348,968,857.66/1,255,606.20
  6. Step 6: Final answer
    x = 603,970.39

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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.