Home / 1,294,089.40-1,941,134.10-1,210,108.60

Finding the Fourth Proportional to 1,294,089.40, 1,941,134.10 and 1,210,108.60

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Solution

The fourth proportional to 1,294,089.40, 1,941,134.10 and 1,210,108.60 is: 1,815,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,089.40 : 1,941,134.10 = 1,210,108.60 : x
  2. Step 2: Convert to fraction form
    1,294,089.40/1,941,134.10 = 1,210,108.60/x
  3. Step 3: Cross multiply
    1,294,089.40x = 1,941,134.10 × 1,210,108.60
  4. Step 4: Simplify right side
    1,294,089.40x = 2,348,983,068,163.26
  5. Step 5: Solve for x
    x = 2,348,983,068,163.26/1,294,089.40
  6. Step 6: Final answer
    x = 1,815,162.90

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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.