Home / 1,090,624.10-1,635,198.03-380,264.63

Finding the Fourth Proportional to 1,090,624.10, 1,635,198.03 and 380,264.63

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Solution

The fourth proportional to 1,090,624.10, 1,635,198.03 and 380,264.63 is: 570,139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,624.10 : 1,635,198.03 = 380,264.63 : x
  2. Step 2: Convert to fraction form
    1,090,624.10/1,635,198.03 = 380,264.63/x
  3. Step 3: Cross multiply
    1,090,624.10x = 1,635,198.03 × 380,264.63
  4. Step 4: Simplify right side
    1,090,624.10x = 621,807,965,678.69
  5. Step 5: Solve for x
    x = 621,807,965,678.69/1,090,624.10
  6. Step 6: Final answer
    x = 570,139.58

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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.