Home / 1,421,064.40-2,133,929.40-949,838.80

Finding the Fourth Proportional to 1,421,064.40, 2,133,929.40 and 949,838.80

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Solution

The fourth proportional to 1,421,064.40, 2,133,929.40 and 949,838.80 is: 1,426,317.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,064.40 : 2,133,929.40 = 949,838.80 : x
  2. Step 2: Convert to fraction form
    1,421,064.40/2,133,929.40 = 949,838.80/x
  3. Step 3: Cross multiply
    1,421,064.40x = 2,133,929.40 × 949,838.80
  4. Step 4: Simplify right side
    1,421,064.40x = 2,026,888,940,580.72
  5. Step 5: Solve for x
    x = 2,026,888,940,580.72/1,421,064.40
  6. Step 6: Final answer
    x = 1,426,317.44

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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.