Home / 1,418,828.10-1,958,024.39-774,289.91

Finding the Fourth Proportional to 1,418,828.10, 1,958,024.39 and 774,289.91

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Solution

The fourth proportional to 1,418,828.10, 1,958,024.39 and 774,289.91 is: 1,068,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,828.10 : 1,958,024.39 = 774,289.91 : x
  2. Step 2: Convert to fraction form
    1,418,828.10/1,958,024.39 = 774,289.91/x
  3. Step 3: Cross multiply
    1,418,828.10x = 1,958,024.39 × 774,289.91
  4. Step 4: Simplify right side
    1,418,828.10x = 1,516,078,528,710.90
  5. Step 5: Solve for x
    x = 1,516,078,528,710.90/1,418,828.10
  6. Step 6: Final answer
    x = 1,068,542.78

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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.