Home / 1,434,837.72-1,980,165.93-790,257.75

Finding the Fourth Proportional to 1,434,837.72, 1,980,165.93 and 790,257.75

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Solution

The fourth proportional to 1,434,837.72, 1,980,165.93 and 790,257.75 is: 1,090,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,837.72 : 1,980,165.93 = 790,257.75 : x
  2. Step 2: Convert to fraction form
    1,434,837.72/1,980,165.93 = 790,257.75/x
  3. Step 3: Cross multiply
    1,434,837.72x = 1,980,165.93 × 790,257.75
  4. Step 4: Simplify right side
    1,434,837.72x = 1,564,841,472,468.46
  5. Step 5: Solve for x
    x = 1,564,841,472,468.46/1,434,837.72
  6. Step 6: Final answer
    x = 1,090,605.20

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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.