Home / 1,097,706.60-1,646,559.90-388,535.40

Finding the Fourth Proportional to 1,097,706.60, 1,646,559.90 and 388,535.40

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Solution

The fourth proportional to 1,097,706.60, 1,646,559.90 and 388,535.40 is: 582,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,706.60 : 1,646,559.90 = 388,535.40 : x
  2. Step 2: Convert to fraction form
    1,097,706.60/1,646,559.90 = 388,535.40/x
  3. Step 3: Cross multiply
    1,097,706.60x = 1,646,559.90 × 388,535.40
  4. Step 4: Simplify right side
    1,097,706.60x = 639,746,809,370.46
  5. Step 5: Solve for x
    x = 639,746,809,370.46/1,097,706.60
  6. Step 6: Final answer
    x = 582,803.10

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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.