Home / 1,403,461.75-1,936,775.85-758,880.40

Finding the Fourth Proportional to 1,403,461.75, 1,936,775.85 and 758,880.40

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Solution

The fourth proportional to 1,403,461.75, 1,936,775.85 and 758,880.40 is: 1,047,254.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,461.75 : 1,936,775.85 = 758,880.40 : x
  2. Step 2: Convert to fraction form
    1,403,461.75/1,936,775.85 = 758,880.40/x
  3. Step 3: Cross multiply
    1,403,461.75x = 1,936,775.85 × 758,880.40
  4. Step 4: Simplify right side
    1,403,461.75x = 1,469,781,231,758.34
  5. Step 5: Solve for x
    x = 1,469,781,231,758.34/1,403,461.75
  6. Step 6: Final answer
    x = 1,047,254.21

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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.