Home / 1,855,141.60-2,780,638.80-790,002.40

Finding the Fourth Proportional to 1,855,141.60, 2,780,638.80 and 790,002.40

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Solution

The fourth proportional to 1,855,141.60, 2,780,638.80 and 790,002.40 is: 1,184,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,141.60 : 2,780,638.80 = 790,002.40 : x
  2. Step 2: Convert to fraction form
    1,855,141.60/2,780,638.80 = 790,002.40/x
  3. Step 3: Cross multiply
    1,855,141.60x = 2,780,638.80 × 790,002.40
  4. Step 4: Simplify right side
    1,855,141.60x = 2,196,711,325,533.12
  5. Step 5: Solve for x
    x = 2,196,711,325,533.12/1,855,141.60
  6. Step 6: Final answer
    x = 1,184,120.57

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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.