Home / 1,301,923.94-1,796,867.85-778,600.35

Finding the Fourth Proportional to 1,301,923.94, 1,796,867.85 and 778,600.35

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Solution

The fourth proportional to 1,301,923.94, 1,796,867.85 and 778,600.35 is: 1,074,595.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,923.94 : 1,796,867.85 = 778,600.35 : x
  2. Step 2: Convert to fraction form
    1,301,923.94/1,796,867.85 = 778,600.35/x
  3. Step 3: Cross multiply
    1,301,923.94x = 1,796,867.85 × 778,600.35
  4. Step 4: Simplify right side
    1,301,923.94x = 1,399,041,939,833.50
  5. Step 5: Solve for x
    x = 1,399,041,939,833.50/1,301,923.94
  6. Step 6: Final answer
    x = 1,074,595.76

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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.