Home / 1,423,485.77-1,964,410.37-778,905.97

Finding the Fourth Proportional to 1,423,485.77, 1,964,410.37 and 778,905.97

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Solution

The fourth proportional to 1,423,485.77, 1,964,410.37 and 778,905.97 is: 1,074,890.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,485.77 : 1,964,410.37 = 778,905.97 : x
  2. Step 2: Convert to fraction form
    1,423,485.77/1,964,410.37 = 778,905.97/x
  3. Step 3: Cross multiply
    1,423,485.77x = 1,964,410.37 × 778,905.97
  4. Step 4: Simplify right side
    1,423,485.77x = 1,530,090,964,722.91
  5. Step 5: Solve for x
    x = 1,530,090,964,722.91/1,423,485.77
  6. Step 6: Final answer
    x = 1,074,890.24

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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.