Home / 1,260,068.54-1,890,109.65-313,439.27

Finding the Fourth Proportional to 1,260,068.54, 1,890,109.65 and 313,439.27

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Solution

The fourth proportional to 1,260,068.54, 1,890,109.65 and 313,439.27 is: 470,160.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,068.54 : 1,890,109.65 = 313,439.27 : x
  2. Step 2: Convert to fraction form
    1,260,068.54/1,890,109.65 = 313,439.27/x
  3. Step 3: Cross multiply
    1,260,068.54x = 1,890,109.65 × 313,439.27
  4. Step 4: Simplify right side
    1,260,068.54x = 592,434,588,915.96
  5. Step 5: Solve for x
    x = 592,434,588,915.96/1,260,068.54
  6. Step 6: Final answer
    x = 470,160.61

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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.