Home / 1,005,049.38-1,387,065.69-575,390.82

Finding the Fourth Proportional to 1,005,049.38, 1,387,065.69 and 575,390.82

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Solution

The fourth proportional to 1,005,049.38, 1,387,065.69 and 575,390.82 is: 794,095.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,049.38 : 1,387,065.69 = 575,390.82 : x
  2. Step 2: Convert to fraction form
    1,005,049.38/1,387,065.69 = 575,390.82/x
  3. Step 3: Cross multiply
    1,005,049.38x = 1,387,065.69 × 575,390.82
  4. Step 4: Simplify right side
    1,005,049.38x = 798,104,864,762.97
  5. Step 5: Solve for x
    x = 798,104,864,762.97/1,005,049.38
  6. Step 6: Final answer
    x = 794,095.18

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1.5x scale

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.