Home / 1,423,559.48-1,964,512.06-778,979.66

Finding the Fourth Proportional to 1,423,559.48, 1,964,512.06 and 778,979.66

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Solution

The fourth proportional to 1,423,559.48, 1,964,512.06 and 778,979.66 is: 1,074,991.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,559.48 : 1,964,512.06 = 778,979.66 : x
  2. Step 2: Convert to fraction form
    1,423,559.48/1,964,512.06 = 778,979.66/x
  3. Step 3: Cross multiply
    1,423,559.48x = 1,964,512.06 × 778,979.66
  4. Step 4: Simplify right side
    1,423,559.48x = 1,530,314,924,794.69
  5. Step 5: Solve for x
    x = 1,530,314,924,794.69/1,423,559.48
  6. Step 6: Final answer
    x = 1,074,991.91

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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.