Home / 1,026,920.92-1,539,817.38-316,751.80

Finding the Fourth Proportional to 1,026,920.92, 1,539,817.38 and 316,751.80

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Solution

The fourth proportional to 1,026,920.92, 1,539,817.38 and 316,751.80 is: 474,953.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,920.92 : 1,539,817.38 = 316,751.80 : x
  2. Step 2: Convert to fraction form
    1,026,920.92/1,539,817.38 = 316,751.80/x
  3. Step 3: Cross multiply
    1,026,920.92x = 1,539,817.38 × 316,751.80
  4. Step 4: Simplify right side
    1,026,920.92x = 487,739,926,786.28
  5. Step 5: Solve for x
    x = 487,739,926,786.28/1,026,920.92
  6. Step 6: Final answer
    x = 474,953.74

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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.