Home / 1,315,868.06-1,815,139.95-792,214.13

Finding the Fourth Proportional to 1,315,868.06, 1,815,139.95 and 792,214.13

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Solution

The fourth proportional to 1,315,868.06, 1,815,139.95 and 792,214.13 is: 1,092,799.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,868.06 : 1,815,139.95 = 792,214.13 : x
  2. Step 2: Convert to fraction form
    1,315,868.06/1,815,139.95 = 792,214.13/x
  3. Step 3: Cross multiply
    1,315,868.06x = 1,815,139.95 × 792,214.13
  4. Step 4: Simplify right side
    1,315,868.06x = 1,437,979,516,317.49
  5. Step 5: Solve for x
    x = 1,437,979,516,317.49/1,315,868.06
  6. Step 6: Final answer
    x = 1,092,799.16

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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.