Home / 1,470,991.71-2,030,133.32-890,534.78

Finding the Fourth Proportional to 1,470,991.71, 2,030,133.32 and 890,534.78

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Solution

The fourth proportional to 1,470,991.71, 2,030,133.32 and 890,534.78 is: 1,229,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,991.71 : 2,030,133.32 = 890,534.78 : x
  2. Step 2: Convert to fraction form
    1,470,991.71/2,030,133.32 = 890,534.78/x
  3. Step 3: Cross multiply
    1,470,991.71x = 2,030,133.32 × 890,534.78
  4. Step 4: Simplify right side
    1,470,991.71x = 1,807,904,314,893.53
  5. Step 5: Solve for x
    x = 1,807,904,314,893.53/1,470,991.71
  6. Step 6: Final answer
    x = 1,229,037.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.