Home / 1,062,176.74-1,593,929.43-431,090.55

Finding the Fourth Proportional to 1,062,176.74, 1,593,929.43 and 431,090.55

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Solution

The fourth proportional to 1,062,176.74, 1,593,929.43 and 431,090.55 is: 646,905.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,176.74 : 1,593,929.43 = 431,090.55 : x
  2. Step 2: Convert to fraction form
    1,062,176.74/1,593,929.43 = 431,090.55/x
  3. Step 3: Cross multiply
    1,062,176.74x = 1,593,929.43 × 431,090.55
  4. Step 4: Simplify right side
    1,062,176.74x = 687,127,914,639.89
  5. Step 5: Solve for x
    x = 687,127,914,639.89/1,062,176.74
  6. Step 6: Final answer
    x = 646,905.44

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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.