Home / 1,260,314.48-1,890,462-313,678.82

Finding the Fourth Proportional to 1,260,314.48, 1,890,462 and 313,678.82

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Solution

The fourth proportional to 1,260,314.48, 1,890,462 and 313,678.82 is: 470,515.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,314.48 : 1,890,462 = 313,678.82 : x
  2. Step 2: Convert to fraction form
    1,260,314.48/1,890,462 = 313,678.82/x
  3. Step 3: Cross multiply
    1,260,314.48x = 1,890,462 × 313,678.82
  4. Step 4: Simplify right side
    1,260,314.48x = 592,997,889,414.84
  5. Step 5: Solve for x
    x = 592,997,889,414.84/1,260,314.48
  6. Step 6: Final answer
    x = 470,515.81

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1.5x scale

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.