Home / 1,336,629.12-1,844,378.08-763,706.40

Finding the Fourth Proportional to 1,336,629.12, 1,844,378.08 and 763,706.40

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Solution

The fourth proportional to 1,336,629.12, 1,844,378.08 and 763,706.40 is: 1,053,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,629.12 : 1,844,378.08 = 763,706.40 : x
  2. Step 2: Convert to fraction form
    1,336,629.12/1,844,378.08 = 763,706.40/x
  3. Step 3: Cross multiply
    1,336,629.12x = 1,844,378.08 × 763,706.40
  4. Step 4: Simplify right side
    1,336,629.12x = 1,408,563,343,715.71
  5. Step 5: Solve for x
    x = 1,408,563,343,715.71/1,336,629.12
  6. Step 6: Final answer
    x = 1,053,817.64

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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.