Home / 1,299,421.60-1,939,614.92-1,146,025.42

Finding the Fourth Proportional to 1,299,421.60, 1,939,614.92 and 1,146,025.42

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Solution

The fourth proportional to 1,299,421.60, 1,939,614.92 and 1,146,025.42 is: 1,710,644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,421.60 : 1,939,614.92 = 1,146,025.42 : x
  2. Step 2: Convert to fraction form
    1,299,421.60/1,939,614.92 = 1,146,025.42/x
  3. Step 3: Cross multiply
    1,299,421.60x = 1,939,614.92 × 1,146,025.42
  4. Step 4: Simplify right side
    1,299,421.60x = 2,222,848,003,331.27
  5. Step 5: Solve for x
    x = 2,222,848,003,331.27/1,299,421.60
  6. Step 6: Final answer
    x = 1,710,644.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.