Home / 1,225,281.65-1,834,160.42-1,109,808.05

Finding the Fourth Proportional to 1,225,281.65, 1,834,160.42 and 1,109,808.05

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Solution

The fourth proportional to 1,225,281.65, 1,834,160.42 and 1,109,808.05 is: 1,661,304.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,281.65 : 1,834,160.42 = 1,109,808.05 : x
  2. Step 2: Convert to fraction form
    1,225,281.65/1,834,160.42 = 1,109,808.05/x
  3. Step 3: Cross multiply
    1,225,281.65x = 1,834,160.42 × 1,109,808.05
  4. Step 4: Simplify right side
    1,225,281.65x = 2,035,565,992,711.10
  5. Step 5: Solve for x
    x = 2,035,565,992,711.10/1,225,281.65
  6. Step 6: Final answer
    x = 1,661,304.57

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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.