Home / 1,434,973.46-1,980,263.17-790,393.64

Finding the Fourth Proportional to 1,434,973.46, 1,980,263.17 and 790,393.64

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Solution

The fourth proportional to 1,434,973.46, 1,980,263.17 and 790,393.64 is: 1,090,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,973.46 : 1,980,263.17 = 790,393.64 : x
  2. Step 2: Convert to fraction form
    1,434,973.46/1,980,263.17 = 790,393.64/x
  3. Step 3: Cross multiply
    1,434,973.46x = 1,980,263.17 × 790,393.64
  4. Step 4: Simplify right side
    1,434,973.46x = 1,565,187,403,216.94
  5. Step 5: Solve for x
    x = 1,565,187,403,216.94/1,434,973.46
  6. Step 6: Final answer
    x = 1,090,743.10

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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.