Home / 1,551,698.88-2,141,387.04-939,722.40

Finding the Fourth Proportional to 1,551,698.88, 2,141,387.04 and 939,722.40

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Solution

The fourth proportional to 1,551,698.88, 2,141,387.04 and 939,722.40 is: 1,296,842.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,698.88 : 2,141,387.04 = 939,722.40 : x
  2. Step 2: Convert to fraction form
    1,551,698.88/2,141,387.04 = 939,722.40/x
  3. Step 3: Cross multiply
    1,551,698.88x = 2,141,387.04 × 939,722.40
  4. Step 4: Simplify right side
    1,551,698.88x = 2,012,309,368,557.70
  5. Step 5: Solve for x
    x = 2,012,309,368,557.70/1,551,698.88
  6. Step 6: Final answer
    x = 1,296,842.70

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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.