Home / 1,143,126.58-1,714,339.68-790,407.22

Finding the Fourth Proportional to 1,143,126.58, 1,714,339.68 and 790,407.22

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Solution

The fourth proportional to 1,143,126.58, 1,714,339.68 and 790,407.22 is: 1,185,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,126.58 : 1,714,339.68 = 790,407.22 : x
  2. Step 2: Convert to fraction form
    1,143,126.58/1,714,339.68 = 790,407.22/x
  3. Step 3: Cross multiply
    1,143,126.58x = 1,714,339.68 × 790,407.22
  4. Step 4: Simplify right side
    1,143,126.58x = 1,355,026,460,604.49
  5. Step 5: Solve for x
    x = 1,355,026,460,604.49/1,143,126.58
  6. Step 6: Final answer
    x = 1,185,368.69

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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.