Home / 1,315,726.81-1,815,746.93-806,330.77

Finding the Fourth Proportional to 1,315,726.81, 1,815,746.93 and 806,330.77

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Solution

The fourth proportional to 1,315,726.81, 1,815,746.93 and 806,330.77 is: 1,112,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,726.81 : 1,815,746.93 = 806,330.77 : x
  2. Step 2: Convert to fraction form
    1,315,726.81/1,815,746.93 = 806,330.77/x
  3. Step 3: Cross multiply
    1,315,726.81x = 1,815,746.93 × 806,330.77
  4. Step 4: Simplify right side
    1,315,726.81x = 1,464,092,620,192.04
  5. Step 5: Solve for x
    x = 1,464,092,620,192.04/1,315,726.81
  6. Step 6: Final answer
    x = 1,112,763.39

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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.