Home / 1,585,037.79-2,187,558.45-887,584.20

Finding the Fourth Proportional to 1,585,037.79, 2,187,558.45 and 887,584.20

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Solution

The fourth proportional to 1,585,037.79, 2,187,558.45 and 887,584.20 is: 1,224,981.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,037.79 : 2,187,558.45 = 887,584.20 : x
  2. Step 2: Convert to fraction form
    1,585,037.79/2,187,558.45 = 887,584.20/x
  3. Step 3: Cross multiply
    1,585,037.79x = 2,187,558.45 × 887,584.20
  4. Step 4: Simplify right side
    1,585,037.79x = 1,941,642,321,671.39
  5. Step 5: Solve for x
    x = 1,941,642,321,671.39/1,585,037.79
  6. Step 6: Final answer
    x = 1,224,981.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.