Home / 1,277,122.66-1,762,396.32-704,152.96

Finding the Fourth Proportional to 1,277,122.66, 1,762,396.32 and 704,152.96

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Solution

The fourth proportional to 1,277,122.66, 1,762,396.32 and 704,152.96 is: 971,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,122.66 : 1,762,396.32 = 704,152.96 : x
  2. Step 2: Convert to fraction form
    1,277,122.66/1,762,396.32 = 704,152.96/x
  3. Step 3: Cross multiply
    1,277,122.66x = 1,762,396.32 × 704,152.96
  4. Step 4: Simplify right side
    1,277,122.66x = 1,240,996,585,421.11
  5. Step 5: Solve for x
    x = 1,240,996,585,421.11/1,277,122.66
  6. Step 6: Final answer
    x = 971,712.92

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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.