Home / 1,405,723.60-2,108,585.40-874,282.60

Finding the Fourth Proportional to 1,405,723.60, 2,108,585.40 and 874,282.60

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Solution

The fourth proportional to 1,405,723.60, 2,108,585.40 and 874,282.60 is: 1,311,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,723.60 : 2,108,585.40 = 874,282.60 : x
  2. Step 2: Convert to fraction form
    1,405,723.60/2,108,585.40 = 874,282.60/x
  3. Step 3: Cross multiply
    1,405,723.60x = 2,108,585.40 × 874,282.60
  4. Step 4: Simplify right side
    1,405,723.60x = 1,843,499,525,834.04
  5. Step 5: Solve for x
    x = 1,843,499,525,834.04/1,405,723.60
  6. Step 6: Final answer
    x = 1,311,423.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.