Home / 1,429,827.29-2,145,036.23-418,982.22

Finding the Fourth Proportional to 1,429,827.29, 2,145,036.23 and 418,982.22

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Solution

The fourth proportional to 1,429,827.29, 2,145,036.23 and 418,982.22 is: 628,559.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,827.29 : 2,145,036.23 = 418,982.22 : x
  2. Step 2: Convert to fraction form
    1,429,827.29/2,145,036.23 = 418,982.22/x
  3. Step 3: Cross multiply
    1,429,827.29x = 2,145,036.23 × 418,982.22
  4. Step 4: Simplify right side
    1,429,827.29x = 898,732,041,102.10
  5. Step 5: Solve for x
    x = 898,732,041,102.10/1,429,827.29
  6. Step 6: Final answer
    x = 628,559.86

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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.