Home / 1,260,014.85-1,890,029.13-313,385.58

Finding the Fourth Proportional to 1,260,014.85, 1,890,029.13 and 313,385.58

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Solution

The fourth proportional to 1,260,014.85, 1,890,029.13 and 313,385.58 is: 470,080.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,014.85 : 1,890,029.13 = 313,385.58 : x
  2. Step 2: Convert to fraction form
    1,260,014.85/1,890,029.13 = 313,385.58/x
  3. Step 3: Cross multiply
    1,260,014.85x = 1,890,029.13 × 313,385.58
  4. Step 4: Simplify right side
    1,260,014.85x = 592,307,875,121.95
  5. Step 5: Solve for x
    x = 592,307,875,121.95/1,260,014.85
  6. Step 6: Final answer
    x = 470,080.07

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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.