Home / 1,260,191.57-1,890,287.75-313,562.30

Finding the Fourth Proportional to 1,260,191.57, 1,890,287.75 and 313,562.30

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Solution

The fourth proportional to 1,260,191.57, 1,890,287.75 and 313,562.30 is: 470,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,191.57 : 1,890,287.75 = 313,562.30 : x
  2. Step 2: Convert to fraction form
    1,260,191.57/1,890,287.75 = 313,562.30/x
  3. Step 3: Cross multiply
    1,260,191.57x = 1,890,287.75 × 313,562.30
  4. Step 4: Simplify right side
    1,260,191.57x = 592,722,974,551.83
  5. Step 5: Solve for x
    x = 592,722,974,551.83/1,260,191.57
  6. Step 6: Final answer
    x = 470,343.55

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Double scale
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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.