Home / 1,565,107.80-2,349,216.90-767,290.20

Finding the Fourth Proportional to 1,565,107.80, 2,349,216.90 and 767,290.20

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Solution

The fourth proportional to 1,565,107.80, 2,349,216.90 and 767,290.20 is: 1,151,697.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,107.80 : 2,349,216.90 = 767,290.20 : x
  2. Step 2: Convert to fraction form
    1,565,107.80/2,349,216.90 = 767,290.20/x
  3. Step 3: Cross multiply
    1,565,107.80x = 2,349,216.90 × 767,290.20
  4. Step 4: Simplify right side
    1,565,107.80x = 1,802,531,105,044.38
  5. Step 5: Solve for x
    x = 1,802,531,105,044.38/1,565,107.80
  6. Step 6: Final answer
    x = 1,151,697.73

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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.