Home / 1,385,498.12-2,078,845.83-745,053.26

Finding the Fourth Proportional to 1,385,498.12, 2,078,845.83 and 745,053.26

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Solution

The fourth proportional to 1,385,498.12, 2,078,845.83 and 745,053.26 is: 1,117,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,498.12 : 2,078,845.83 = 745,053.26 : x
  2. Step 2: Convert to fraction form
    1,385,498.12/2,078,845.83 = 745,053.26/x
  3. Step 3: Cross multiply
    1,385,498.12x = 2,078,845.83 × 745,053.26
  4. Step 4: Simplify right side
    1,385,498.12x = 1,548,850,852,284.68
  5. Step 5: Solve for x
    x = 1,548,850,852,284.68/1,385,498.12
  6. Step 6: Final answer
    x = 1,117,901.81

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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.