Home / 1,260,188.57-1,890,283.25-313,559.30

Finding the Fourth Proportional to 1,260,188.57, 1,890,283.25 and 313,559.30

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Solution

The fourth proportional to 1,260,188.57, 1,890,283.25 and 313,559.30 is: 470,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,188.57 : 1,890,283.25 = 313,559.30 : x
  2. Step 2: Convert to fraction form
    1,260,188.57/1,890,283.25 = 313,559.30/x
  3. Step 3: Cross multiply
    1,260,188.57x = 1,890,283.25 × 313,559.30
  4. Step 4: Simplify right side
    1,260,188.57x = 592,715,881,652.51
  5. Step 5: Solve for x
    x = 592,715,881,652.51/1,260,188.57
  6. Step 6: Final answer
    x = 470,339.04

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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.