Home / 1,565,016.78-2,159,690.67-849,624.78

Finding the Fourth Proportional to 1,565,016.78, 2,159,690.67 and 849,624.78

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Solution

The fourth proportional to 1,565,016.78, 2,159,690.67 and 849,624.78 is: 1,172,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,016.78 : 2,159,690.67 = 849,624.78 : x
  2. Step 2: Convert to fraction form
    1,565,016.78/2,159,690.67 = 849,624.78/x
  3. Step 3: Cross multiply
    1,565,016.78x = 2,159,690.67 × 849,624.78
  4. Step 4: Simplify right side
    1,565,016.78x = 1,834,926,710,366.80
  5. Step 5: Solve for x
    x = 1,834,926,710,366.80/1,565,016.78
  6. Step 6: Final answer
    x = 1,172,464.56

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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.