Home / 1,286,565.18-1,774,297.71-803,174.82

Finding the Fourth Proportional to 1,286,565.18, 1,774,297.71 and 803,174.82

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Solution

The fourth proportional to 1,286,565.18, 1,774,297.71 and 803,174.82 is: 1,107,655.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,565.18 : 1,774,297.71 = 803,174.82 : x
  2. Step 2: Convert to fraction form
    1,286,565.18/1,774,297.71 = 803,174.82/x
  3. Step 3: Cross multiply
    1,286,565.18x = 1,774,297.71 × 803,174.82
  4. Step 4: Simplify right side
    1,286,565.18x = 1,425,071,243,855.66
  5. Step 5: Solve for x
    x = 1,425,071,243,855.66/1,286,565.18
  6. Step 6: Final answer
    x = 1,107,655.69

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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.