Home / 1,267,405-1,748,735.16-723,366.88

Finding the Fourth Proportional to 1,267,405, 1,748,735.16 and 723,366.88

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Solution

The fourth proportional to 1,267,405, 1,748,735.16 and 723,366.88 is: 998,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,405 : 1,748,735.16 = 723,366.88 : x
  2. Step 2: Convert to fraction form
    1,267,405/1,748,735.16 = 723,366.88/x
  3. Step 3: Cross multiply
    1,267,405x = 1,748,735.16 × 723,366.88
  4. Step 4: Simplify right side
    1,267,405x = 1,264,977,096,635.50
  5. Step 5: Solve for x
    x = 1,264,977,096,635.50/1,267,405
  6. Step 6: Final answer
    x = 998,084.35

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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.