Home / 1,128,027.40-1,692,041.10-960,065.80

Finding the Fourth Proportional to 1,128,027.40, 1,692,041.10 and 960,065.80

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Solution

The fourth proportional to 1,128,027.40, 1,692,041.10 and 960,065.80 is: 1,440,098.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,027.40 : 1,692,041.10 = 960,065.80 : x
  2. Step 2: Convert to fraction form
    1,128,027.40/1,692,041.10 = 960,065.80/x
  3. Step 3: Cross multiply
    1,128,027.40x = 1,692,041.10 × 960,065.80
  4. Step 4: Simplify right side
    1,128,027.40x = 1,624,470,792,304.38
  5. Step 5: Solve for x
    x = 1,624,470,792,304.38/1,128,027.40
  6. Step 6: Final answer
    x = 1,440,098.70

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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.