Home / 1,253,411.12-1,880,722.44-779,973.68

Finding the Fourth Proportional to 1,253,411.12, 1,880,722.44 and 779,973.68

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Solution

The fourth proportional to 1,253,411.12, 1,880,722.44 and 779,973.68 is: 1,170,337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,411.12 : 1,880,722.44 = 779,973.68 : x
  2. Step 2: Convert to fraction form
    1,253,411.12/1,880,722.44 = 779,973.68/x
  3. Step 3: Cross multiply
    1,253,411.12x = 1,880,722.44 × 779,973.68
  4. Step 4: Simplify right side
    1,253,411.12x = 1,466,914,002,585.38
  5. Step 5: Solve for x
    x = 1,466,914,002,585.38/1,253,411.12
  6. Step 6: Final answer
    x = 1,170,337.47

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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.