Home / 1,619,261.60-2,425,004.40-869,655.20

Finding the Fourth Proportional to 1,619,261.60, 2,425,004.40 and 869,655.20

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Solution

The fourth proportional to 1,619,261.60, 2,425,004.40 and 869,655.20 is: 1,302,394.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,261.60 : 2,425,004.40 = 869,655.20 : x
  2. Step 2: Convert to fraction form
    1,619,261.60/2,425,004.40 = 869,655.20/x
  3. Step 3: Cross multiply
    1,619,261.60x = 2,425,004.40 × 869,655.20
  4. Step 4: Simplify right side
    1,619,261.60x = 2,108,917,686,482.88
  5. Step 5: Solve for x
    x = 2,108,917,686,482.88/1,619,261.60
  6. Step 6: Final answer
    x = 1,302,394.68

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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.