Home / 1,425,555.84-2,138,032.80-849,434.56

Finding the Fourth Proportional to 1,425,555.84, 2,138,032.80 and 849,434.56

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Solution

The fourth proportional to 1,425,555.84, 2,138,032.80 and 849,434.56 is: 1,273,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,555.84 : 2,138,032.80 = 849,434.56 : x
  2. Step 2: Convert to fraction form
    1,425,555.84/2,138,032.80 = 849,434.56/x
  3. Step 3: Cross multiply
    1,425,555.84x = 2,138,032.80 × 849,434.56
  4. Step 4: Simplify right side
    1,425,555.84x = 1,816,118,950,733.57
  5. Step 5: Solve for x
    x = 1,816,118,950,733.57/1,425,555.84
  6. Step 6: Final answer
    x = 1,273,972.51

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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.