Home / 1,438,143.39-1,984,579.85-793,555.20

Finding the Fourth Proportional to 1,438,143.39, 1,984,579.85 and 793,555.20

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Solution

The fourth proportional to 1,438,143.39, 1,984,579.85 and 793,555.20 is: 1,095,074.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,143.39 : 1,984,579.85 = 793,555.20 : x
  2. Step 2: Convert to fraction form
    1,438,143.39/1,984,579.85 = 793,555.20/x
  3. Step 3: Cross multiply
    1,438,143.39x = 1,984,579.85 × 793,555.20
  4. Step 4: Simplify right side
    1,438,143.39x = 1,574,873,661,766.61
  5. Step 5: Solve for x
    x = 1,574,873,661,766.61/1,438,143.39
  6. Step 6: Final answer
    x = 1,095,074.16

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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.