Home / 1,479,817.70-2,219,726.55-1,001,520.80

Finding the Fourth Proportional to 1,479,817.70, 2,219,726.55 and 1,001,520.80

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Solution

The fourth proportional to 1,479,817.70, 2,219,726.55 and 1,001,520.80 is: 1,502,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,817.70 : 2,219,726.55 = 1,001,520.80 : x
  2. Step 2: Convert to fraction form
    1,479,817.70/2,219,726.55 = 1,001,520.80/x
  3. Step 3: Cross multiply
    1,479,817.70x = 2,219,726.55 × 1,001,520.80
  4. Step 4: Simplify right side
    1,479,817.70x = 2,223,102,310,137.24
  5. Step 5: Solve for x
    x = 2,223,102,310,137.24/1,479,817.70
  6. Step 6: Final answer
    x = 1,502,281.20

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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.