Home / 1,008,439.56-1,512,628.68-409,386.24

Finding the Fourth Proportional to 1,008,439.56, 1,512,628.68 and 409,386.24

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Solution

The fourth proportional to 1,008,439.56, 1,512,628.68 and 409,386.24 is: 614,066.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,439.56 : 1,512,628.68 = 409,386.24 : x
  2. Step 2: Convert to fraction form
    1,008,439.56/1,512,628.68 = 409,386.24/x
  3. Step 3: Cross multiply
    1,008,439.56x = 1,512,628.68 × 409,386.24
  4. Step 4: Simplify right side
    1,008,439.56x = 619,249,367,821.36
  5. Step 5: Solve for x
    x = 619,249,367,821.36/1,008,439.56
  6. Step 6: Final answer
    x = 614,066.91

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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.