Home / 1,425,740.58-1,967,446.80-813,869.01

Finding the Fourth Proportional to 1,425,740.58, 1,967,446.80 and 813,869.01

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Solution

The fourth proportional to 1,425,740.58, 1,967,446.80 and 813,869.01 is: 1,123,096.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,740.58 : 1,967,446.80 = 813,869.01 : x
  2. Step 2: Convert to fraction form
    1,425,740.58/1,967,446.80 = 813,869.01/x
  3. Step 3: Cross multiply
    1,425,740.58x = 1,967,446.80 × 813,869.01
  4. Step 4: Simplify right side
    1,425,740.58x = 1,601,243,979,343.67
  5. Step 5: Solve for x
    x = 1,601,243,979,343.67/1,425,740.58
  6. Step 6: Final answer
    x = 1,123,096.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.