Home / 1,039,791.12-1,434,313.20-626,040.24

Finding the Fourth Proportional to 1,039,791.12, 1,434,313.20 and 626,040.24

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Solution

The fourth proportional to 1,039,791.12, 1,434,313.20 and 626,040.24 is: 863,575.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,791.12 : 1,434,313.20 = 626,040.24 : x
  2. Step 2: Convert to fraction form
    1,039,791.12/1,434,313.20 = 626,040.24/x
  3. Step 3: Cross multiply
    1,039,791.12x = 1,434,313.20 × 626,040.24
  4. Step 4: Simplify right side
    1,039,791.12x = 897,937,779,963.17
  5. Step 5: Solve for x
    x = 897,937,779,963.17/1,039,791.12
  6. Step 6: Final answer
    x = 863,575.16

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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.