Home / 1,435,264.82-1,980,656.24-790,670.06

Finding the Fourth Proportional to 1,435,264.82, 1,980,656.24 and 790,670.06

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Solution

The fourth proportional to 1,435,264.82, 1,980,656.24 and 790,670.06 is: 1,091,119.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,264.82 : 1,980,656.24 = 790,670.06 : x
  2. Step 2: Convert to fraction form
    1,435,264.82/1,980,656.24 = 790,670.06/x
  3. Step 3: Cross multiply
    1,435,264.82x = 1,980,656.24 × 790,670.06
  4. Step 4: Simplify right side
    1,435,264.82x = 1,566,045,588,120.17
  5. Step 5: Solve for x
    x = 1,566,045,588,120.17/1,435,264.82
  6. Step 6: Final answer
    x = 1,091,119.61

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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.