Home / 1,347,073.68-2,020,943.20-400,440.40

Finding the Fourth Proportional to 1,347,073.68, 2,020,943.20 and 400,440.40

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Solution

The fourth proportional to 1,347,073.68, 2,020,943.20 and 400,440.40 is: 600,759.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,073.68 : 2,020,943.20 = 400,440.40 : x
  2. Step 2: Convert to fraction form
    1,347,073.68/2,020,943.20 = 400,440.40/x
  3. Step 3: Cross multiply
    1,347,073.68x = 2,020,943.20 × 400,440.40
  4. Step 4: Simplify right side
    1,347,073.68x = 809,267,303,385.28
  5. Step 5: Solve for x
    x = 809,267,303,385.28/1,347,073.68
  6. Step 6: Final answer
    x = 600,759.49

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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.