Home / 1,215,980.40-1,824,007.44-417,250.56

Finding the Fourth Proportional to 1,215,980.40, 1,824,007.44 and 417,250.56

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Solution

The fourth proportional to 1,215,980.40, 1,824,007.44 and 417,250.56 is: 625,888.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,980.40 : 1,824,007.44 = 417,250.56 : x
  2. Step 2: Convert to fraction form
    1,215,980.40/1,824,007.44 = 417,250.56/x
  3. Step 3: Cross multiply
    1,215,980.40x = 1,824,007.44 × 417,250.56
  4. Step 4: Simplify right side
    1,215,980.40x = 761,068,125,784.17
  5. Step 5: Solve for x
    x = 761,068,125,784.17/1,215,980.40
  6. Step 6: Final answer
    x = 625,888.48

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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.