Home / 1,385,124.60-2,077,686.90-1,226,494.20

Finding the Fourth Proportional to 1,385,124.60, 2,077,686.90 and 1,226,494.20

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Solution

The fourth proportional to 1,385,124.60, 2,077,686.90 and 1,226,494.20 is: 1,839,741.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,124.60 : 2,077,686.90 = 1,226,494.20 : x
  2. Step 2: Convert to fraction form
    1,385,124.60/2,077,686.90 = 1,226,494.20/x
  3. Step 3: Cross multiply
    1,385,124.60x = 2,077,686.90 × 1,226,494.20
  4. Step 4: Simplify right side
    1,385,124.60x = 2,548,270,932,265.98
  5. Step 5: Solve for x
    x = 2,548,270,932,265.98/1,385,124.60
  6. Step 6: Final answer
    x = 1,839,741.30

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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.