Home / 1,267,146.81-1,900,726.64-320,518.44

Finding the Fourth Proportional to 1,267,146.81, 1,900,726.64 and 320,518.44

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Solution

The fourth proportional to 1,267,146.81, 1,900,726.64 and 320,518.44 is: 480,779.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,146.81 : 1,900,726.64 = 320,518.44 : x
  2. Step 2: Convert to fraction form
    1,267,146.81/1,900,726.64 = 320,518.44/x
  3. Step 3: Cross multiply
    1,267,146.81x = 1,900,726.64 × 320,518.44
  4. Step 4: Simplify right side
    1,267,146.81x = 609,217,937,519.24
  5. Step 5: Solve for x
    x = 609,217,937,519.24/1,267,146.81
  6. Step 6: Final answer
    x = 480,779.29

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1.5x scale

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.