Home / 1,313,500.39-1,812,560.15-740,503.64

Finding the Fourth Proportional to 1,313,500.39, 1,812,560.15 and 740,503.64

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Solution

The fourth proportional to 1,313,500.39, 1,812,560.15 and 740,503.64 is: 1,021,855.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,500.39 : 1,812,560.15 = 740,503.64 : x
  2. Step 2: Convert to fraction form
    1,313,500.39/1,812,560.15 = 740,503.64/x
  3. Step 3: Cross multiply
    1,313,500.39x = 1,812,560.15 × 740,503.64
  4. Step 4: Simplify right side
    1,313,500.39x = 1,342,207,395,176.61
  5. Step 5: Solve for x
    x = 1,342,207,395,176.61/1,313,500.39
  6. Step 6: Final answer
    x = 1,021,855.35

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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.