Home / 1,379,287.40-2,067,699.90-537,643.40

Finding the Fourth Proportional to 1,379,287.40, 2,067,699.90 and 537,643.40

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Solution

The fourth proportional to 1,379,287.40, 2,067,699.90 and 537,643.40 is: 805,985.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,287.40 : 2,067,699.90 = 537,643.40 : x
  2. Step 2: Convert to fraction form
    1,379,287.40/2,067,699.90 = 537,643.40/x
  3. Step 3: Cross multiply
    1,379,287.40x = 2,067,699.90 × 537,643.40
  4. Step 4: Simplify right side
    1,379,287.40x = 1,111,685,204,415.66
  5. Step 5: Solve for x
    x = 1,111,685,204,415.66/1,379,287.40
  6. Step 6: Final answer
    x = 805,985.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.