Home / 1,330,894.90-1,996,342.35-384,361.30

Finding the Fourth Proportional to 1,330,894.90, 1,996,342.35 and 384,361.30

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Solution

The fourth proportional to 1,330,894.90, 1,996,342.35 and 384,361.30 is: 576,541.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,894.90 : 1,996,342.35 = 384,361.30 : x
  2. Step 2: Convert to fraction form
    1,330,894.90/1,996,342.35 = 384,361.30/x
  3. Step 3: Cross multiply
    1,330,894.90x = 1,996,342.35 × 384,361.30
  4. Step 4: Simplify right side
    1,330,894.90x = 767,316,740,891.06
  5. Step 5: Solve for x
    x = 767,316,740,891.06/1,330,894.90
  6. Step 6: Final answer
    x = 576,541.95

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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.