Home / 1,283,973.12-1,925,913.60-485,222.40

Finding the Fourth Proportional to 1,283,973.12, 1,925,913.60 and 485,222.40

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Solution

The fourth proportional to 1,283,973.12, 1,925,913.60 and 485,222.40 is: 727,816.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,973.12 : 1,925,913.60 = 485,222.40 : x
  2. Step 2: Convert to fraction form
    1,283,973.12/1,925,913.60 = 485,222.40/x
  3. Step 3: Cross multiply
    1,283,973.12x = 1,925,913.60 × 485,222.40
  4. Step 4: Simplify right side
    1,283,973.12x = 934,496,419,184.64
  5. Step 5: Solve for x
    x = 934,496,419,184.64/1,283,973.12
  6. Step 6: Final answer
    x = 727,816.19

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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.