Home / 1,307,708.73-1,805,443.20-1,036,870.65

Finding the Fourth Proportional to 1,307,708.73, 1,805,443.20 and 1,036,870.65

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Solution

The fourth proportional to 1,307,708.73, 1,805,443.20 and 1,036,870.65 is: 1,431,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,708.73 : 1,805,443.20 = 1,036,870.65 : x
  2. Step 2: Convert to fraction form
    1,307,708.73/1,805,443.20 = 1,036,870.65/x
  3. Step 3: Cross multiply
    1,307,708.73x = 1,805,443.20 × 1,036,870.65
  4. Step 4: Simplify right side
    1,307,708.73x = 1,872,011,064,322.08
  5. Step 5: Solve for x
    x = 1,872,011,064,322.08/1,307,708.73
  6. Step 6: Final answer
    x = 1,431,519.90

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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.