Home / 1,037,079.60-1,555,619.40-647,696.40

Finding the Fourth Proportional to 1,037,079.60, 1,555,619.40 and 647,696.40

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Solution

The fourth proportional to 1,037,079.60, 1,555,619.40 and 647,696.40 is: 971,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,079.60 : 1,555,619.40 = 647,696.40 : x
  2. Step 2: Convert to fraction form
    1,037,079.60/1,555,619.40 = 647,696.40/x
  3. Step 3: Cross multiply
    1,037,079.60x = 1,555,619.40 × 647,696.40
  4. Step 4: Simplify right side
    1,037,079.60x = 1,007,569,085,150.16
  5. Step 5: Solve for x
    x = 1,007,569,085,150.16/1,037,079.60
  6. Step 6: Final answer
    x = 971,544.60

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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.