Home / 1,470,477.60-2,205,716.40-839,455.20

Finding the Fourth Proportional to 1,470,477.60, 2,205,716.40 and 839,455.20

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Solution

The fourth proportional to 1,470,477.60, 2,205,716.40 and 839,455.20 is: 1,259,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,477.60 : 2,205,716.40 = 839,455.20 : x
  2. Step 2: Convert to fraction form
    1,470,477.60/2,205,716.40 = 839,455.20/x
  3. Step 3: Cross multiply
    1,470,477.60x = 2,205,716.40 × 839,455.20
  4. Step 4: Simplify right side
    1,470,477.60x = 1,851,600,101,705.28
  5. Step 5: Solve for x
    x = 1,851,600,101,705.28/1,470,477.60
  6. Step 6: Final answer
    x = 1,259,182.80

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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.