Home / 1,377,491.10-2,067,220.80-579,345.45

Finding the Fourth Proportional to 1,377,491.10, 2,067,220.80 and 579,345.45

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Solution

The fourth proportional to 1,377,491.10, 2,067,220.80 and 579,345.45 is: 869,432.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,491.10 : 2,067,220.80 = 579,345.45 : x
  2. Step 2: Convert to fraction form
    1,377,491.10/2,067,220.80 = 579,345.45/x
  3. Step 3: Cross multiply
    1,377,491.10x = 2,067,220.80 × 579,345.45
  4. Step 4: Simplify right side
    1,377,491.10x = 1,197,634,964,625.36
  5. Step 5: Solve for x
    x = 1,197,634,964,625.36/1,377,491.10
  6. Step 6: Final answer
    x = 869,432.09

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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.