Home / 1,313,502.80-1,970,254.20-752,075.60

Finding the Fourth Proportional to 1,313,502.80, 1,970,254.20 and 752,075.60

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Solution

The fourth proportional to 1,313,502.80, 1,970,254.20 and 752,075.60 is: 1,128,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,502.80 : 1,970,254.20 = 752,075.60 : x
  2. Step 2: Convert to fraction form
    1,313,502.80/1,970,254.20 = 752,075.60/x
  3. Step 3: Cross multiply
    1,313,502.80x = 1,970,254.20 × 752,075.60
  4. Step 4: Simplify right side
    1,313,502.80x = 1,481,780,109,617.52
  5. Step 5: Solve for x
    x = 1,481,780,109,617.52/1,313,502.80
  6. Step 6: Final answer
    x = 1,128,113.40

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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.