Home / 1,470,511.60-2,205,767.40-839,489.20

Finding the Fourth Proportional to 1,470,511.60, 2,205,767.40 and 839,489.20

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Solution

The fourth proportional to 1,470,511.60, 2,205,767.40 and 839,489.20 is: 1,259,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,511.60 : 2,205,767.40 = 839,489.20 : x
  2. Step 2: Convert to fraction form
    1,470,511.60/2,205,767.40 = 839,489.20/x
  3. Step 3: Cross multiply
    1,470,511.60x = 2,205,767.40 × 839,489.20
  4. Step 4: Simplify right side
    1,470,511.60x = 1,851,717,910,012.08
  5. Step 5: Solve for x
    x = 1,851,717,910,012.08/1,470,511.60
  6. Step 6: Final answer
    x = 1,259,233.80

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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.