Home / 1,434,739.16-1,979,863.20-790,033.52

Finding the Fourth Proportional to 1,434,739.16, 1,979,863.20 and 790,033.52

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Solution

The fourth proportional to 1,434,739.16, 1,979,863.20 and 790,033.52 is: 1,090,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,739.16 : 1,979,863.20 = 790,033.52 : x
  2. Step 2: Convert to fraction form
    1,434,739.16/1,979,863.20 = 790,033.52/x
  3. Step 3: Cross multiply
    1,434,739.16x = 1,979,863.20 × 790,033.52
  4. Step 4: Simplify right side
    1,434,739.16x = 1,564,158,293,014.46
  5. Step 5: Solve for x
    x = 1,564,158,293,014.46/1,434,739.16
  6. Step 6: Final answer
    x = 1,090,203.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.