Home / 1,317,510.90-1,818,179.28-773,653.14

Finding the Fourth Proportional to 1,317,510.90, 1,818,179.28 and 773,653.14

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Solution

The fourth proportional to 1,317,510.90, 1,818,179.28 and 773,653.14 is: 1,067,649.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,510.90 : 1,818,179.28 = 773,653.14 : x
  2. Step 2: Convert to fraction form
    1,317,510.90/1,818,179.28 = 773,653.14/x
  3. Step 3: Cross multiply
    1,317,510.90x = 1,818,179.28 × 773,653.14
  4. Step 4: Simplify right side
    1,317,510.90x = 1,406,640,109,054.94
  5. Step 5: Solve for x
    x = 1,406,640,109,054.94/1,317,510.90
  6. Step 6: Final answer
    x = 1,067,649.69

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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.