Home / 1,346,132.60-2,016,477.30-839,137.40

Finding the Fourth Proportional to 1,346,132.60, 2,016,477.30 and 839,137.40

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Solution

The fourth proportional to 1,346,132.60, 2,016,477.30 and 839,137.40 is: 1,257,009.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,132.60 : 2,016,477.30 = 839,137.40 : x
  2. Step 2: Convert to fraction form
    1,346,132.60/2,016,477.30 = 839,137.40/x
  3. Step 3: Cross multiply
    1,346,132.60x = 2,016,477.30 × 839,137.40
  4. Step 4: Simplify right side
    1,346,132.60x = 1,692,101,518,681.02
  5. Step 5: Solve for x
    x = 1,692,101,518,681.02/1,346,132.60
  6. Step 6: Final answer
    x = 1,257,009.54

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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.