Home / 1,315,726.31-1,815,746.24-806,330.27

Finding the Fourth Proportional to 1,315,726.31, 1,815,746.24 and 806,330.27

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Solution

The fourth proportional to 1,315,726.31, 1,815,746.24 and 806,330.27 is: 1,112,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,726.31 : 1,815,746.24 = 806,330.27 : x
  2. Step 2: Convert to fraction form
    1,315,726.31/1,815,746.24 = 806,330.27/x
  3. Step 3: Cross multiply
    1,315,726.31x = 1,815,746.24 × 806,330.27
  4. Step 4: Simplify right side
    1,315,726.31x = 1,464,091,155,950.68
  5. Step 5: Solve for x
    x = 1,464,091,155,950.68/1,315,726.31
  6. Step 6: Final answer
    x = 1,112,762.70

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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.