Home / 1,260,318.79-1,890,468.47-313,683.13

Finding the Fourth Proportional to 1,260,318.79, 1,890,468.47 and 313,683.13

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Solution

The fourth proportional to 1,260,318.79, 1,890,468.47 and 313,683.13 is: 470,522.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,318.79 : 1,890,468.47 = 313,683.13 : x
  2. Step 2: Convert to fraction form
    1,260,318.79/1,890,468.47 = 313,683.13/x
  3. Step 3: Cross multiply
    1,260,318.79x = 1,890,468.47 × 313,683.13
  4. Step 4: Simplify right side
    1,260,318.79x = 593,008,070,777.88
  5. Step 5: Solve for x
    x = 593,008,070,777.88/1,260,318.79
  6. Step 6: Final answer
    x = 470,522.28

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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.