Home / 1,273,209.60-1,909,808.04-313,663.32

Finding the Fourth Proportional to 1,273,209.60, 1,909,808.04 and 313,663.32

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Solution

The fourth proportional to 1,273,209.60, 1,909,808.04 and 313,663.32 is: 470,493.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,209.60 : 1,909,808.04 = 313,663.32 : x
  2. Step 2: Convert to fraction form
    1,273,209.60/1,909,808.04 = 313,663.32/x
  3. Step 3: Cross multiply
    1,273,209.60x = 1,909,808.04 × 313,663.32
  4. Step 4: Simplify right side
    1,273,209.60x = 599,036,730,389.09
  5. Step 5: Solve for x
    x = 599,036,730,389.09/1,273,209.60
  6. Step 6: Final answer
    x = 470,493.41

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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.