Home / 1,266,807.24-1,900,276.20-320,186.16

Finding the Fourth Proportional to 1,266,807.24, 1,900,276.20 and 320,186.16

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Solution

The fourth proportional to 1,266,807.24, 1,900,276.20 and 320,186.16 is: 480,295.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,807.24 : 1,900,276.20 = 320,186.16 : x
  2. Step 2: Convert to fraction form
    1,266,807.24/1,900,276.20 = 320,186.16/x
  3. Step 3: Cross multiply
    1,266,807.24x = 1,900,276.20 × 320,186.16
  4. Step 4: Simplify right side
    1,266,807.24x = 608,442,139,417.39
  5. Step 5: Solve for x
    x = 608,442,139,417.39/1,266,807.24
  6. Step 6: Final answer
    x = 480,295.75

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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.