Home / 1,209,920.40-1,814,443.20-610,682.40

Finding the Fourth Proportional to 1,209,920.40, 1,814,443.20 and 610,682.40

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Solution

The fourth proportional to 1,209,920.40, 1,814,443.20 and 610,682.40 is: 915,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,920.40 : 1,814,443.20 = 610,682.40 : x
  2. Step 2: Convert to fraction form
    1,209,920.40/1,814,443.20 = 610,682.40/x
  3. Step 3: Cross multiply
    1,209,920.40x = 1,814,443.20 × 610,682.40
  4. Step 4: Simplify right side
    1,209,920.40x = 1,108,048,528,039.68
  5. Step 5: Solve for x
    x = 1,108,048,528,039.68/1,209,920.40
  6. Step 6: Final answer
    x = 915,802.83

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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.