Home / 1,890,509.70-2,835,764.55-628,532.10

Finding the Fourth Proportional to 1,890,509.70, 2,835,764.55 and 628,532.10

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Solution

The fourth proportional to 1,890,509.70, 2,835,764.55 and 628,532.10 is: 942,798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,509.70 : 2,835,764.55 = 628,532.10 : x
  2. Step 2: Convert to fraction form
    1,890,509.70/2,835,764.55 = 628,532.10/x
  3. Step 3: Cross multiply
    1,890,509.70x = 2,835,764.55 × 628,532.10
  4. Step 4: Simplify right side
    1,890,509.70x = 1,782,369,047,717.06
  5. Step 5: Solve for x
    x = 1,782,369,047,717.06/1,890,509.70
  6. Step 6: Final answer
    x = 942,798.15

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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.