Home / 1,535,646.72-2,303,470.08-787,215.36

Finding the Fourth Proportional to 1,535,646.72, 2,303,470.08 and 787,215.36

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Solution

The fourth proportional to 1,535,646.72, 2,303,470.08 and 787,215.36 is: 1,180,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,646.72 : 2,303,470.08 = 787,215.36 : x
  2. Step 2: Convert to fraction form
    1,535,646.72/2,303,470.08 = 787,215.36/x
  3. Step 3: Cross multiply
    1,535,646.72x = 2,303,470.08 × 787,215.36
  4. Step 4: Simplify right side
    1,535,646.72x = 1,813,327,028,276.43
  5. Step 5: Solve for x
    x = 1,813,327,028,276.43/1,535,646.72
  6. Step 6: Final answer
    x = 1,180,823.04

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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.