Home / 1,208,897.30-1,813,792.35-498,986.90

Finding the Fourth Proportional to 1,208,897.30, 1,813,792.35 and 498,986.90

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Solution

The fourth proportional to 1,208,897.30, 1,813,792.35 and 498,986.90 is: 748,664.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,897.30 : 1,813,792.35 = 498,986.90 : x
  2. Step 2: Convert to fraction form
    1,208,897.30/1,813,792.35 = 498,986.90/x
  3. Step 3: Cross multiply
    1,208,897.30x = 1,813,792.35 × 498,986.90
  4. Step 4: Simplify right side
    1,208,897.30x = 905,058,621,970.22
  5. Step 5: Solve for x
    x = 905,058,621,970.22/1,208,897.30
  6. Step 6: Final answer
    x = 748,664.61

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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.