Home / 1,224,118.60-1,689,006.90-740,671.72

Finding the Fourth Proportional to 1,224,118.60, 1,689,006.90 and 740,671.72

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Solution

The fourth proportional to 1,224,118.60, 1,689,006.90 and 740,671.72 is: 1,021,959.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,118.60 : 1,689,006.90 = 740,671.72 : x
  2. Step 2: Convert to fraction form
    1,224,118.60/1,689,006.90 = 740,671.72/x
  3. Step 3: Cross multiply
    1,224,118.60x = 1,689,006.90 × 740,671.72
  4. Step 4: Simplify right side
    1,224,118.60x = 1,250,999,645,714.87
  5. Step 5: Solve for x
    x = 1,250,999,645,714.87/1,224,118.60
  6. Step 6: Final answer
    x = 1,021,959.51

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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.