Home / 1,429,482.75-1,972,686.20-825,870.75

Finding the Fourth Proportional to 1,429,482.75, 1,972,686.20 and 825,870.75

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Solution

The fourth proportional to 1,429,482.75, 1,972,686.20 and 825,870.75 is: 1,139,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,482.75 : 1,972,686.20 = 825,870.75 : x
  2. Step 2: Convert to fraction form
    1,429,482.75/1,972,686.20 = 825,870.75/x
  3. Step 3: Cross multiply
    1,429,482.75x = 1,972,686.20 × 825,870.75
  4. Step 4: Simplify right side
    1,429,482.75x = 1,629,183,827,379.30
  5. Step 5: Solve for x
    x = 1,629,183,827,379.30/1,429,482.75
  6. Step 6: Final answer
    x = 1,139,701.64

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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.