Home / 1,434,028.19-2,151,411.37-423,109.31

Finding the Fourth Proportional to 1,434,028.19, 2,151,411.37 and 423,109.31

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Solution

The fourth proportional to 1,434,028.19, 2,151,411.37 and 423,109.31 is: 634,772.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,028.19 : 2,151,411.37 = 423,109.31 : x
  2. Step 2: Convert to fraction form
    1,434,028.19/2,151,411.37 = 423,109.31/x
  3. Step 3: Cross multiply
    1,434,028.19x = 2,151,411.37 × 423,109.31
  4. Step 4: Simplify right side
    1,434,028.19x = 910,282,168,472.03
  5. Step 5: Solve for x
    x = 910,282,168,472.03/1,434,028.19
  6. Step 6: Final answer
    x = 634,772.86

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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.