Home / 1,280,354.50-1,918,876.10-957,977.03

Finding the Fourth Proportional to 1,280,354.50, 1,918,876.10 and 957,977.03

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Solution

The fourth proportional to 1,280,354.50, 1,918,876.10 and 957,977.03 is: 1,435,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,354.50 : 1,918,876.10 = 957,977.03 : x
  2. Step 2: Convert to fraction form
    1,280,354.50/1,918,876.10 = 957,977.03/x
  3. Step 3: Cross multiply
    1,280,354.50x = 1,918,876.10 × 957,977.03
  4. Step 4: Simplify right side
    1,280,354.50x = 1,838,239,216,429.61
  5. Step 5: Solve for x
    x = 1,838,239,216,429.61/1,280,354.50
  6. Step 6: Final answer
    x = 1,435,726.76

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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.