Home / 1,259,970.10-1,889,962.71-313,340.86

Finding the Fourth Proportional to 1,259,970.10, 1,889,962.71 and 313,340.86

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Solution

The fourth proportional to 1,259,970.10, 1,889,962.71 and 313,340.86 is: 470,013.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,970.10 : 1,889,962.71 = 313,340.86 : x
  2. Step 2: Convert to fraction form
    1,259,970.10/1,889,962.71 = 313,340.86/x
  3. Step 3: Cross multiply
    1,259,970.10x = 1,889,962.71 × 313,340.86
  4. Step 4: Simplify right side
    1,259,970.10x = 592,202,540,919.33
  5. Step 5: Solve for x
    x = 592,202,540,919.33/1,259,970.10
  6. Step 6: Final answer
    x = 470,013.17

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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.