Home / 1,128,026.40-1,692,039.60-960,064.80

Finding the Fourth Proportional to 1,128,026.40, 1,692,039.60 and 960,064.80

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Solution

The fourth proportional to 1,128,026.40, 1,692,039.60 and 960,064.80 is: 1,440,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,026.40 : 1,692,039.60 = 960,064.80 : x
  2. Step 2: Convert to fraction form
    1,128,026.40/1,692,039.60 = 960,064.80/x
  3. Step 3: Cross multiply
    1,128,026.40x = 1,692,039.60 × 960,064.80
  4. Step 4: Simplify right side
    1,128,026.40x = 1,624,467,660,166.08
  5. Step 5: Solve for x
    x = 1,624,467,660,166.08/1,128,026.40
  6. Step 6: Final answer
    x = 1,440,097.20

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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.