Home / 1,385,284.01-1,911,673.31-773,446.14

Finding the Fourth Proportional to 1,385,284.01, 1,911,673.31 and 773,446.14

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Solution

The fourth proportional to 1,385,284.01, 1,911,673.31 and 773,446.14 is: 1,067,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,284.01 : 1,911,673.31 = 773,446.14 : x
  2. Step 2: Convert to fraction form
    1,385,284.01/1,911,673.31 = 773,446.14/x
  3. Step 3: Cross multiply
    1,385,284.01x = 1,911,673.31 × 773,446.14
  4. Step 4: Simplify right side
    1,385,284.01x = 1,478,576,338,693.29
  5. Step 5: Solve for x
    x = 1,478,576,338,693.29/1,385,284.01
  6. Step 6: Final answer
    x = 1,067,345.28

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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.