Home / 1,146,142.34-1,581,671.14-656,109.16

Finding the Fourth Proportional to 1,146,142.34, 1,581,671.14 and 656,109.16

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Solution

The fourth proportional to 1,146,142.34, 1,581,671.14 and 656,109.16 is: 905,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,142.34 : 1,581,671.14 = 656,109.16 : x
  2. Step 2: Convert to fraction form
    1,146,142.34/1,581,671.14 = 656,109.16/x
  3. Step 3: Cross multiply
    1,146,142.34x = 1,581,671.14 × 656,109.16
  4. Step 4: Simplify right side
    1,146,142.34x = 1,037,748,917,467.19
  5. Step 5: Solve for x
    x = 1,037,748,917,467.19/1,146,142.34
  6. Step 6: Final answer
    x = 905,427.61

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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.