Home / 1,187,336.64-1,781,024.40-345,934.56

Finding the Fourth Proportional to 1,187,336.64, 1,781,024.40 and 345,934.56

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Solution

The fourth proportional to 1,187,336.64, 1,781,024.40 and 345,934.56 is: 518,907.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,336.64 : 1,781,024.40 = 345,934.56 : x
  2. Step 2: Convert to fraction form
    1,187,336.64/1,781,024.40 = 345,934.56/x
  3. Step 3: Cross multiply
    1,187,336.64x = 1,781,024.40 × 345,934.56
  4. Step 4: Simplify right side
    1,187,336.64x = 616,117,892,163.26
  5. Step 5: Solve for x
    x = 616,117,892,163.26/1,187,336.64
  6. Step 6: Final answer
    x = 518,907.50

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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.