Home / 778,890.30-1,168,335.45-671,984.70

Finding the Fourth Proportional to 778,890.30, 1,168,335.45 and 671,984.70

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Solution

The fourth proportional to 778,890.30, 1,168,335.45 and 671,984.70 is: 1,007,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,890.30 : 1,168,335.45 = 671,984.70 : x
  2. Step 2: Convert to fraction form
    778,890.30/1,168,335.45 = 671,984.70/x
  3. Step 3: Cross multiply
    778,890.30x = 1,168,335.45 × 671,984.70
  4. Step 4: Simplify right side
    778,890.30x = 785,103,546,867.62
  5. Step 5: Solve for x
    x = 785,103,546,867.62/778,890.30
  6. Step 6: Final answer
    x = 1,007,977.05

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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.