Home / 1,465,100.64-2,021,742.56-820,373.04

Finding the Fourth Proportional to 1,465,100.64, 2,021,742.56 and 820,373.04

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Solution

The fourth proportional to 1,465,100.64, 2,021,742.56 and 820,373.04 is: 1,132,060.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,100.64 : 2,021,742.56 = 820,373.04 : x
  2. Step 2: Convert to fraction form
    1,465,100.64/2,021,742.56 = 820,373.04/x
  3. Step 3: Cross multiply
    1,465,100.64x = 2,021,742.56 × 820,373.04
  4. Step 4: Simplify right side
    1,465,100.64x = 1,658,583,090,044.58
  5. Step 5: Solve for x
    x = 1,658,583,090,044.58/1,465,100.64
  6. Step 6: Final answer
    x = 1,132,060.86

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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.