Home / 1,308,806.60-1,963,209.90-885,792.20

Finding the Fourth Proportional to 1,308,806.60, 1,963,209.90 and 885,792.20

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Solution

The fourth proportional to 1,308,806.60, 1,963,209.90 and 885,792.20 is: 1,328,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,806.60 : 1,963,209.90 = 885,792.20 : x
  2. Step 2: Convert to fraction form
    1,308,806.60/1,963,209.90 = 885,792.20/x
  3. Step 3: Cross multiply
    1,308,806.60x = 1,963,209.90 × 885,792.20
  4. Step 4: Simplify right side
    1,308,806.60x = 1,738,996,016,382.78
  5. Step 5: Solve for x
    x = 1,738,996,016,382.78/1,308,806.60
  6. Step 6: Final answer
    x = 1,328,688.30

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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.