Home / 1,113,963.65-1,670,977.87-272,515.13

Finding the Fourth Proportional to 1,113,963.65, 1,670,977.87 and 272,515.13

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Solution

The fourth proportional to 1,113,963.65, 1,670,977.87 and 272,515.13 is: 408,780.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,963.65 : 1,670,977.87 = 272,515.13 : x
  2. Step 2: Convert to fraction form
    1,113,963.65/1,670,977.87 = 272,515.13/x
  3. Step 3: Cross multiply
    1,113,963.65x = 1,670,977.87 × 272,515.13
  4. Step 4: Simplify right side
    1,113,963.65x = 455,366,742,434.00
  5. Step 5: Solve for x
    x = 455,366,742,434.00/1,113,963.65
  6. Step 6: Final answer
    x = 408,780.61

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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.