Home / 1,223,340.64-1,835,010.96-381,964.48

Finding the Fourth Proportional to 1,223,340.64, 1,835,010.96 and 381,964.48

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Solution

The fourth proportional to 1,223,340.64, 1,835,010.96 and 381,964.48 is: 572,946.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,340.64 : 1,835,010.96 = 381,964.48 : x
  2. Step 2: Convert to fraction form
    1,223,340.64/1,835,010.96 = 381,964.48/x
  3. Step 3: Cross multiply
    1,223,340.64x = 1,835,010.96 × 381,964.48
  4. Step 4: Simplify right side
    1,223,340.64x = 700,909,007,130.70
  5. Step 5: Solve for x
    x = 700,909,007,130.70/1,223,340.64
  6. Step 6: Final answer
    x = 572,946.72

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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.