Home / 1,266,904.08-1,900,356.08-320,274.80

Finding the Fourth Proportional to 1,266,904.08, 1,900,356.08 and 320,274.80

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Solution

The fourth proportional to 1,266,904.08, 1,900,356.08 and 320,274.80 is: 480,412.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,904.08 : 1,900,356.08 = 320,274.80 : x
  2. Step 2: Convert to fraction form
    1,266,904.08/1,900,356.08 = 320,274.80/x
  3. Step 3: Cross multiply
    1,266,904.08x = 1,900,356.08 × 320,274.80
  4. Step 4: Simplify right side
    1,266,904.08x = 608,636,163,450.78
  5. Step 5: Solve for x
    x = 608,636,163,450.78/1,266,904.08
  6. Step 6: Final answer
    x = 480,412.19

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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.