Home / 1,209,735.40-1,814,603.10-579,879.40

Finding the Fourth Proportional to 1,209,735.40, 1,814,603.10 and 579,879.40

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Solution

The fourth proportional to 1,209,735.40, 1,814,603.10 and 579,879.40 is: 869,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,735.40 : 1,814,603.10 = 579,879.40 : x
  2. Step 2: Convert to fraction form
    1,209,735.40/1,814,603.10 = 579,879.40/x
  3. Step 3: Cross multiply
    1,209,735.40x = 1,814,603.10 × 579,879.40
  4. Step 4: Simplify right side
    1,209,735.40x = 1,052,250,956,866.14
  5. Step 5: Solve for x
    x = 1,052,250,956,866.14/1,209,735.40
  6. Step 6: Final answer
    x = 869,819.10

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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.