Home / 1,307,275.20-1,804,875.84-872,314.56

Finding the Fourth Proportional to 1,307,275.20, 1,804,875.84 and 872,314.56

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Solution

The fourth proportional to 1,307,275.20, 1,804,875.84 and 872,314.56 is: 1,204,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,275.20 : 1,804,875.84 = 872,314.56 : x
  2. Step 2: Convert to fraction form
    1,307,275.20/1,804,875.84 = 872,314.56/x
  3. Step 3: Cross multiply
    1,307,275.20x = 1,804,875.84 × 872,314.56
  4. Step 4: Simplify right side
    1,307,275.20x = 1,574,419,474,224.23
  5. Step 5: Solve for x
    x = 1,574,419,474,224.23/1,307,275.20
  6. Step 6: Final answer
    x = 1,204,351.98

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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.