Home / 1,313,657.20-1,970,485.80-514,673.20

Finding the Fourth Proportional to 1,313,657.20, 1,970,485.80 and 514,673.20

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Solution

The fourth proportional to 1,313,657.20, 1,970,485.80 and 514,673.20 is: 772,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,657.20 : 1,970,485.80 = 514,673.20 : x
  2. Step 2: Convert to fraction form
    1,313,657.20/1,970,485.80 = 514,673.20/x
  3. Step 3: Cross multiply
    1,313,657.20x = 1,970,485.80 × 514,673.20
  4. Step 4: Simplify right side
    1,313,657.20x = 1,014,156,232,240.56
  5. Step 5: Solve for x
    x = 1,014,156,232,240.56/1,313,657.20
  6. Step 6: Final answer
    x = 772,009.80

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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.